function hideinfotip(evt)
 {
 var target = get_target(evt);
 svgdoc = target.getOwnerDocument();
 var infotip = 'infotip';
 var infotiprect = 'infotipRect';
 var svgobj = svgdoc.getElementById (infotip);
 if (nbsplit == 1)
  {
  svgobj.getStyle().setProperty ('visibility', 'hidden');
  }
 else
  {
  nodelist = svgobj.getChildNodes();
  for (k=nbsplit-1; k>0; k--)
   {
   svgobj.removeChild(nodelist.item(k))
   }
  svgobj.getStyle().setProperty ('visibility', 'hidden');
 }
 svgdoc.getElementById(infotiprect).getStyle().setProperty ('visibility', 'hidden');
}

function expandLegend(id,layer){checkobj = svgdoc.getElementById('check' + id);checkvisibility = checkobj.getStyle().getPropertyValue('visibility');checkcolor = checkobj.getStyle().getPropertyValue('stroke');indice = parseInt(id);if (checkvisibility == 'visible')
{if (checkcolor == 'rgb(0, 0, 0)'){ checkobj.getStyle().setProperty('visibility','hidden'); showSVGLayer(layer,'check'+ id );}if (checkcolor == 'rgb(255, 0, 0)'){checkobj.getStyle().setProperty('visibility','hidden');}
}else{if (checkobj.getAttributeNS(dbxns,'pot_visible')=='true'){showSVGLayer(layer,'check'+ id );}checkobj.getStyle().setProperty('visibility','visible');}}
function showAbout(evt){about = svgdoc.getElementById('AboutSVGMapMaker');about.getStyle().setProperty('visibility','visible');var animations = svgDocument.getElementsByTagName('animate'); for ( var i = 0; i < animations.length; i++ ) { animations.item(i).beginElement(); }var animations = svgDocument.getElementsByTagName('animateTransform');
for ( var i = 0; i < animations.length; i++ ) { animations.item(i).beginElement(); } closerect = svgdoc.getElementById('closerect');closerect.getStyle().setProperty('fill','none');}function hideAbout(){about = svgdoc.getElementById('AboutSVGMapMaker');about.getStyle().setProperty('visibility','hidden');}
function locateResizingRect(evt){
svgdoc = evt.getTarget().getOwnerDocument();
svgRect = svgdoc.getElementById('locationRect');
if (parseInt(svgRect.getAttributeNS(null,'width')) != parseInt(WidthVB))
 {
 rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
 rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
 rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
 rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
 }
}

function Zoomin(evt)
{
 svgdoc= evt.getTarget().getOwnerDocument();
 objbgrectevt = svgdoc.getElementById('bgrectevt');
 objbgrectevt.getStyle().setProperty('pointer-events','visible');
 objbgrectevt.getStyle().setProperty('visibility','visible');
 
 svgdoc.getElementById('bgrectevt').getStyle().setProperty('visibility','visible');
 svgdoc.getElementById('zoominpusheffectbr').getStyle().setProperty('visibility','hidden');
 svgdoc.getElementById('zoominpusheffectul').getStyle().setProperty('visibility','visible');
 svgdoc.getElementById('zoominpusheffectrec').getStyle().setProperty('fill','url(#lcDeg4)');
 zoomtool = 'zoomin';
 svgdoc.getElementById('releasezoom').getStyle().setProperty('visibility','visible');
 svgdoc.getElementById('releasezoom').getStyle().setProperty('pointer-events','visible');
 
}

function releaseZoom(evt)
{ 
 svgdoc= evt.getTarget().getOwnerDocument();
 svgdoc.getElementById('bgrectevt').getStyle().setProperty('pointer-events','none');
 svgdoc.getElementById('bgrectevt').getStyle().setProperty('visibility','hidden');
 svgdoc.getElementById('releasezoom').getStyle().setProperty('visibility','hidden');
 svgdoc.getElementById('releasezoom').getStyle().setProperty('pointer-events','none');
 svgdoc.getElementById('zoominpusheffectbr').getStyle().setProperty('visibility','visible');
 svgdoc.getElementById('zoominpusheffectul').getStyle().setProperty('visibility','hidden');
 svgdoc.getElementById('zoominpusheffectrec').getStyle().setProperty('fill','url(#lcDeg3)');
 zoomtool='';
}

function Zoomless(evt)
{
zoomVal = zoomVal - 50;
Zoomto(evt,zoomVal);
}

function Zoommore(evt)
{

zoomVal = zoomVal + 50;
Zoomto(evt,zoomVal);
}

function cleanzoombar(evt)
{
svgdoc = evt.getTarget().getOwnerDocument();
for (var i=0; i<19; i++)
 {
 oldbarzoom = svgdoc.getElementById('rectzoom'+parseInt(100+i*50));
 oldbarzoom.getStyle().setProperty('fill','rgb(165,206,239)');
 }
}

function Zoomto(evt,tovalue)
{
 svgdoc = evt.getTarget().getOwnerDocument();
 cleanzoombar(evt);
 var oldbarzoom = svgdoc.getElementById('rectzoom'+theZoom);
 oldbarzoom.getStyle().setProperty('stroke','none');
 var barzoom = svgdoc.getElementById('rectzoom'+tovalue);
 barzoom.getStyle().setProperty('stroke','rgb(0,0,0)');
 svgdoc.getElementById('gcursor').setAttributeNS(null,'transform','translate(0,'+ parseInt(-parseInt(tovalue)*0.08 +90) +')');
 var coef;
 coef = theZoom/tovalue;
 if (zoomScaling)
 {
 if (tovalue < theZoom)
  {
  resizeObjects(evt,'grow',coef);
  }
 else
  {
  resizeObjects(evt,'reduce',coef);
  }
 } 
 zoomVal = parseInt(tovalue);
 theZoom  = zoomVal;
 svgRect = svgdoc.getElementById('locationRect');
 svgMainViewport = svgdoc.getElementById('mapid');
 rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
 rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
 rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
 rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
 xcenter = rectOveXcorner + rectOvewidth / 2;
 ycenter = rectOveYcorner + rectOveheight / 2;
 xnulcorner = xcenter - qualityfactor*mapWidth / 2 * (100/zoomVal);
 ynulcorner = ycenter - qualityfactor*mapHeight / 2 * (100/zoomVal);
 if ((zoomtool == 'zoomin') && (Rpressed != 0))
  {
  xnulcorner = rectOveXcorner +(MapX-10)*(rectOvewidth/(mapWidth));
  ynulcorner = rectOveYcorner + (MapY-40)*(rectOveheight/(mapHeight));
  }
 
 nWidth = qualityfactor*mapWidth * (100/zoomVal);
 nHeight = qualityfactor*mapHeight * (100/zoomVal);
 svgRect.setAttributeNS(null,'x',xnulcorner);
 svgRect.setAttributeNS(null,'y',ynulcorner);
 svgRect.setAttributeNS(null,'width',nWidth);
 svgRect.setAttributeNS(null,'height',nHeight);
 svgRect.setAttributeNS(null,'visibility','visible');
 locateResizingRect(evt);
 y = svgMainViewport.currentTranslate.y;
 x = svgMainViewport.currentTranslate.x;
 xnulcorner = xnulcorner + (qualityfactor*x*100/zoomVal);
 ynulcorner = ynulcorner + (qualityfactor*y*100/zoomVal);
 newViewport = xnulcorner + ' ' + ynulcorner + ' ' + nWidth + ' ' + nHeight;
 svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
 
 if (zoomVal>100)
  {
  zoomin=svgdoc.getElementById('zoomless');
  zoomin.getStyle().setProperty('pointer-events','visible');
  zoomin.getStyle().setProperty('opacity','1');
  }
 else
  {
  zoomin=svgdoc.getElementById('zoomless');
  zoomin.getStyle().setProperty('pointer-events','none');
  zoomin.getStyle().setProperty('opacity','0.5');
  }
 if (zoomVal==1000)
  {
  zoomin=svgdoc.getElementById('ZoomInGraphics');
  zoomin.getStyle().setProperty('pointer-events','none');
  zoomin.getStyle().setProperty('opacity','0.5');
  zoomin=svgdoc.getElementById('zoommore');
  zoomin.getStyle().setProperty('pointer-events','none');
  zoomin.getStyle().setProperty('opacity','0.5');
  }
 else
  {
  zoomin=svgdoc.getElementById('ZoomInGraphics');
  zoomin.getStyle().setProperty('pointer-events','visible');
  zoomin.getStyle().setProperty('opacity','1');
  zoomin=svgdoc.getElementById('zoommore');
  zoomin.getStyle().setProperty('pointer-events','visible');
  zoomin.getStyle().setProperty('opacity','1');
  }
 if (zoomVal == 100)
  {
  svgRect.setAttributeNS(null,'visibility','hidden');
  newViewport = 0 + ' ' + 0 + ' ' + qualityfactor*mapWidth + ' ' + qualityfactor*mapHeight;
  svgRect.setAttributeNS(null,'viewBox',newViewport);
  svgMainViewport = svgdoc.getElementById('mapid');
  svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
  svgRect.setAttributeNS(null,'x',0);
  svgRect.setAttributeNS(null,'y',0);
  svgRect.setAttributeNS(null,'width',qualityfactor*mapWidth);
  svgRect.setAttributeNS(null,'height',qualityfactor*mapHeight);
  }
 
 if (zoomtool == 'zoomin')
  {
  svgdoc.getElementById('zoominpusheffectbr').getStyle().setProperty('visibility','visible');
  svgdoc.getElementById('zoominpusheffectul').getStyle().setProperty('visibility','hidden');
  svgdoc.getElementById('zoominpusheffectrec').getStyle().setProperty('fill','url(#lcDeg3)');
  }
 initScaleBar(evt);
 svgdoc.getElementById('releasezoom').getStyle().setProperty('visibility','hidden');
 svgdoc.getElementById('releasezoom').getStyle().setProperty('pointer-events','none');
 checkForTiles(evt);
}

function initialize(evt)
 {
 svgdoc=evt.getTarget().getOwnerDocument();
 overviewmap = svgdoc.getElementById('overviewmap');
 svgmain = svgdoc.getElementById('main');
 widthOverview = parseFloat(overviewmap.getAttributeNS(null,'width'));
 heightOverview = parseFloat(overviewmap.getAttributeNS(null,'height'));
 svgRect = svgdoc.getElementById('locationRect');
 rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
 rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
 rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
 rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
 newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
 zoom_init = zoom;
 svgobj = svgdoc.getElementById('rightNumber');
 childobj = svgobj.getFirstChild();
 childobj.setData(parseFloat(parseInt(100*zoom_init/5)/100));
 svgobj = svgdoc.getElementById('centerNumber');
 childobj = svgobj.getFirstChild();
 childobj.setData(parseFloat(parseInt(100*zoom_init/10)/100));
 faire_menus(evt,'myCustomMenu');
 zoomLayering(evt);
 }

function faire_menus(evt,nom_menu){
svgdoc=evt.getTarget().getOwnerDocument();
var newMenuRoot=parseXML(printNode(svgdoc.getElementById(nom_menu)),contextMenu);
contextMenu.replaceChild(newMenuRoot.firstChild,contextMenu.firstChild);
}
function initScaleBar(evt)
{
 svgdoc=evt.getTarget().getOwnerDocument();
 var svgobj = svgdoc.getElementById('rightNumber');
 var childobj = svgobj.getFirstChild();
 childobj.setData(parseFloat(parseInt(100*zoom_init*20/zoomVal))/100);
 svgobj = svgdoc.getElementById('centerNumber');
 childobj = svgobj.getFirstChild();
 childobj.setData(parseFloat(parseInt(100*zoom_init*10/zoomVal))/100);
 zoomLayering(evt);
}

function beginResize(evt)
{
 RevtX = parseFloat(evt.clientX);
 RevtY = parseFloat(evt.clientY);
 if (zoomtool == 'zoomin')
  {
  var objrectevt;
  if ((RevtX > 10) && (RevtX < 10+mapWidth) && (RevtY> 40 ) && (RevtY <= 40 + mapHeight))
   {
   Rpressed = 1;
   svgdoc= evt.getTarget().getOwnerDocument();
   objrectevt = svgdoc.getElementById('rectevt');
   objrectevt.setAttributeNS(null,'x',RevtX);
   objrectevt.setAttributeNS(null,'y',RevtY);
   MapX = RevtX;
   MapY = RevtY;
  }
 }
}

function doResize(evt){
var withrect;
var heightrect;
var objrectevt;
if ((Rpressed == 1) && (zoomtool == 'zoomin'))
 {
 svgdoc= evt.getTarget().getOwnerDocument();
 objrectevt = svgdoc.getElementById('rectevt');
 RnewevtX = parseFloat(evt.clientX);
 RnewevtY = parseFloat(evt.clientY);
 if ((RnewevtX >= 10) && (RnewevtX <= mapWidth+10))
  {
  if (RnewevtX > RevtX)
   {
   widthrect = RnewevtX - RevtX;
   } 
  else
   {
   objrectevt.setAttributeNS(null,'x',RnewevtX);
   widthrect = - (RnewevtX - RevtX);
   MapX = RnewevtX;
   }
  }
 else
  {
  if (RnewevtX < 10)
   {
   objrectevt.setAttributeNS(null,'x',10);
   widthrect = -(10-RevtX);
   MapX = 10;
   }
  if (RnewevtX > mapWidth+10)
   {
   widthrect = mapWidth+10-RevtX;
   }
  }
 if ((RnewevtY> 40 ) && (RnewevtY <= 40 + mapHeight))
  { 
  if (RnewevtY > RevtY)
   {
   heightrect = RnewevtY - RevtY;
   }
  else
   {
   objrectevt.setAttributeNS(null,'y',RnewevtY);
   heightrect = -(RnewevtY - RevtY);
   MapY = RnewevtY;
   }
  }
 else
  {
  if (RnewevtY<= 40 )
   {
   objrectevt.setAttributeNS(null,'y',40);
   heightrect = -(40 - RevtY);
   MapY = 40;
   }
  if (RnewevtY > 40 + mapHeight) 
   {
   heightrect = mapHeight+40 - RevtY;
   }
  }
 objrectevt.setAttributeNS(null,'height',heightrect);
 objrectevt.setAttributeNS(null,'width',widthrect);
 objrectevt.getStyle().setProperty('visibility','visible');
 svgRect = svgdoc.getElementById('locationRect');
 realzoom = parseFloat((mapWidth/widthrect)*(theZoom/100));
 
 if (realzoom < 1.5 && realzoom >= 1 ) { svgdoc.getElementById('rectzoom150').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom150').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 2 && realzoom >= 1.5 ) { svgdoc.getElementById('rectzoom200').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom200').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 2.5 && realzoom >= 2 ) { svgdoc.getElementById('rectzoom250').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom250').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 3 && realzoom >= 2.5 ) { svgdoc.getElementById('rectzoom300').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom300').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 3.5 && realzoom >= 3.0 ) { svgdoc.getElementById('rectzoom350').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom350').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 4.0 && realzoom >= 3.5 ) { svgdoc.getElementById('rectzoom400').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom400').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 4.5 && realzoom >= 4.0 ) { svgdoc.getElementById('rectzoom450').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom450').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 5.0 && realzoom >= 4.5 ) { svgdoc.getElementById('rectzoom500').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom500').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 5.5 && realzoom >= 5 ) { svgdoc.getElementById('rectzoom550').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom550').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 6.0 && realzoom >= 5.5 ) { svgdoc.getElementById('rectzoom600').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom600').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 6.5 && realzoom >= 6 ) { svgdoc.getElementById('rectzoom650').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom650').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 7.0 && realzoom >= 6.5 ) { svgdoc.getElementById('rectzoom700').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom700').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 7.5 && realzoom >= 7 ) { svgdoc.getElementById('rectzoom750').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom750').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 8.0 && realzoom >= 7.5 ) { svgdoc.getElementById('rectzoom800').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom800').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 8.5 && realzoom >= 8 ) { svgdoc.getElementById('rectzoom850').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom850').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 9.0 && realzoom >= 8.5 ) { svgdoc.getElementById('rectzoom900').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom900').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom < 9.5 && realzoom >= 9.0 ) { svgdoc.getElementById('rectzoom950').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom950').getStyle().setProperty('fill','rgb(165,206,239)');
 if (realzoom >= 9.5 ) { svgdoc.getElementById('rectzoom1000').getStyle().setProperty('fill','rgb(0,33,99)');}
 else svgdoc.getElementById('rectzoom1000').getStyle().setProperty('fill','rgb(165,206,239)');
 }
}

function endResize(evt){
if ((Rpressed == 1) && (zoomtool == 'zoomin'))
 {
 svgdoc= evt.getTarget().getOwnerDocument();
 objrectevt = svgdoc.getElementById('rectevt');
 objrectevt.getStyle().setProperty('visibility','hidden');
 
 rectOvewidth = objrectevt.getAttributeNS(null,'width');
 realzoom = parseFloat((mapWidth/rectOvewidth)*(theZoom/100));
 if (realzoom < 1.5 && realzoom >= 1 ) Zoomto(evt,150);
 if (realzoom < 2 && realzoom >= 1.5 ) Zoomto(evt,200);
 if (realzoom < 2.5 && realzoom >= 2 ) Zoomto(evt,250);
 if (realzoom < 3 && realzoom >= 2.5 ) Zoomto(evt,300);
 if (realzoom < 3.5 && realzoom >= 3.0 ) Zoomto(evt,350);
 if (realzoom < 4.0 && realzoom >= 3.5 ) Zoomto(evt,400);
 if (realzoom < 4.5 && realzoom >= 4.0 ) Zoomto(evt,450);
 if (realzoom < 5.0 && realzoom >= 4.5 ) Zoomto(evt,500);
 if (realzoom < 5.5 && realzoom >= 5 ) Zoomto(evt,550);
 if (realzoom < 6.0 && realzoom >= 5.5 ) Zoomto(evt,600);
 if (realzoom < 6.5 && realzoom >= 6 ) Zoomto(evt,650);
 if (realzoom < 7.0 && realzoom >= 6.5 ) Zoomto(evt,700);
 if (realzoom < 7.5 && realzoom >= 7 ) Zoomto(evt,750);
 if (realzoom < 8.0 && realzoom >= 7.5 ) Zoomto(evt,800);
 if (realzoom < 8.5 && realzoom >= 8 ) Zoomto(evt,850);
 if (realzoom < 9.0 && realzoom >= 8.5 ) Zoomto(evt,900);
 if (realzoom < 9.5 && realzoom >= 9.0 ) Zoomto(evt,950);
 if (realzoom >= 9.50) Zoomto(evt,1000);
 objbgrectevt = svgdoc.getElementById('bgrectevt');
 objbgrectevt.getStyle().setProperty('pointer-events','none');
 objbgrectevt.getStyle().setProperty('visibility','hidden');
 }
Rpressed = 0;
}

function beginPan(evt)
{
 svgdoc=evt.getTarget().getOwnerDocument();
 svgRect = svgdoc.getElementById('locationRect');
 pressed = 1;
 rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
 rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
 evtX = parseFloat(evt.clientX);
 evtY = parseFloat(evt.clientY);
 rectUlXCorner = parseFloat(svgRect.getAttributeNS(null,'x'));
 rectUlYCorner = parseFloat(svgRect.getAttributeNS(null,'y'));
}

function doPan(evt)
{
 
 if (pressed == 1)
  {
  svgdoc=evt.getTarget().getOwnerDocument();
  svgRect = svgdoc.getElementById('locationRect');
  newEvtX = parseFloat(evt.clientX);
  newEvtY = parseFloat(evt.clientY);
  toMoveX = parseFloat(rectUlXCorner + (newEvtX - evtX) * 5*qualityfactor);
  toMoveY = parseFloat(rectUlYCorner + (newEvtY - evtY) * 5*qualityfactor);
  if (toMoveX < rectXcorner)
   {
   svgRect.setAttributeNS(null,'x',rectXcorner);
   }
  else if ((toMoveX + rectOvewidth) > (rectXcorner + WidthVB))
   {
   svgRect.setAttributeNS(null,'x',rectXcorner + WidthVB - rectOvewidth);}
  else
   {
   svgRect.setAttributeNS(null,'x',toMoveX);
   }
  if (toMoveY < rectYcorner)
   {
   svgRect.setAttributeNS(null,'y',rectYcorner);}
  else if ((toMoveY + rectOveheight) > (rectYcorner + HeightVB))
   {
   svgRect.setAttributeNS(null,'y',rectYcorner + HeightVB - rectOveheight);}
  else
   {
   svgRect.setAttributeNS(null,'y',toMoveY);
   }
  evtX = newEvtX;
  evtY = newEvtY;
  rectUlXCorner = parseFloat(svgRect.getAttributeNS(null,'x'));
  rectUlYCorner = parseFloat(svgRect.getAttributeNS(null,'y'));
  locateResizingRect(evt);
  }
}

function endPan(evt)
 {
 svgdoc=evt.getTarget().getOwnerDocument();
 svgRect = svgdoc.getElementById('locationRect');
 svgMainViewport = svgdoc.getElementById('mapid');
 rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
 rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
 y = svgMainViewport.currentTranslate.y;
 x = svgMainViewport.currentTranslate.x;
 rectOveYcorner = parseFloat(rectOveYcorner + (qualityfactor*y*100/zoomVal));
 rectOveXcorner = parseFloat(rectOveXcorner + (qualityfactor*x*100/zoomVal));
 rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
 rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
 newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
 svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
 if (pressed == 1)
  {
  checkForTiles(evt);
  }
 pressed = 0;
}

function goEast(evt)
{
 if (theZoom !=100)
  {
  var rectX;
  var ovrDoc;
  var x,z,w;
  svgMainViewport = svgdoc.getElementById('mapid');
  x = svgMainViewport.currentTranslate.x;
  ovrDoc= svgdoc.getElementById('locationRect');
  rectX = parseFloat(ovrDoc.getAttributeNS(null,'x'));
  w =  parseFloat(ovrDoc.getAttributeNS(null,'width'));
  theZoom = zoomVal;
  z= rectX + w;
  if (z < (WidthVB-14*qualityfactor))
   {
   rectX = rectX + qualityfactor*offsetXmap*100/zoomVal;
   ovrDoc.setAttributeNS(null,'x', rectX);
   rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
   rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
   y = svgMainViewport.currentTranslate.y;
   x = svgMainViewport.currentTranslate.x;
   rectOveYcorner = parseFloat(rectOveYcorner + (qualityfactor*y*100/zoomVal));
   rectOveXcorner = parseFloat(rectOveXcorner + (qualityfactor*x*100/zoomVal));
   rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
   rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
   newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
   svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
   }
  }
 checkForTiles(evt);
}

function goWest(evt)
 {
 if (theZoom !=100)
  {
  var rectX;
  var ovrDoc;
  var x,y;
  svgMainViewport = svgdoc.getElementById('mapid');
  x = svgMainViewport.currentTranslate.x;
  ovrDoc= svgdoc.getElementById('locationRect');
  rectX = parseFloat(ovrDoc.getAttributeNS(null,'x'));
  theZoom = zoomVal;
  if (rectX > 100)
   {
   rectX = rectX - qualityfactor*offsetXmap*100/zoomVal;
   ovrDoc.setAttributeNS(null,'x', rectX);
   rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
   rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
   y = svgMainViewport.currentTranslate.y;
   x = svgMainViewport.currentTranslate.x;
   rectOveYcorner = parseFloat(rectOveYcorner + (qualityfactor*y*100/zoomVal));
   rectOveXcorner = parseFloat(rectOveXcorner + (qualityfactor*x*100/zoomVal));
   rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
   rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
   newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
   svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
   }
  }
 checkForTiles(evt); 
}

function goNorth(evt)
{
 if (theZoom!=100)
  {
  var rectY;
  var ovrDoc;
  var x,y;
  svgMainViewport = svgdoc.getElementById('mapid');
  y = svgMainViewport.currentTranslate.y;
  ovrDoc= svgdoc.getElementById('locationRect');
  rectY = parseFloat(ovrDoc.getAttributeNS(null,'y'));
  theZoom = zoomVal;
  if (rectY > 14*qualityfactor)
   {
   svgMainViewport.currentTranslate.y =  parseFloat(y+offsetYmap);
   rectY = rectY - qualityfactor*offsetYmap*100/zoomVal;
   ovrDoc.setAttributeNS(null,'y', rectY);
   rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
   rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
   y = svgMainViewport.currentTranslate.y;
   x = svgMainViewport.currentTranslate.x;
   rectOveYcorner = parseFloat(rectOveYcorner + (qualityfactor*y*100/zoomVal));
   rectOveXcorner = parseFloat(rectOveXcorner + (qualityfactor*x*100/zoomVal));
   rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
   rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
   newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
   svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
   }
  }
 checkForTiles(evt);
}

function goSouth(evt)
{
 if (theZoom !=100)
  {
  var rectY;
  var y,h,z;
  svgMainViewport = svgdoc.getElementById('mapid');
  svgRect= svgdoc.getElementById('locationRect');
  rectY = parseFloat(svgRect.getAttributeNS(null,'y'));
  h= parseFloat(svgRect.getAttributeNS(null,'height'));
  y = parseFloat(svgMainViewport.currentTranslate.y);
  z= rectY+h;
  theZoom = zoomVal;
  if (z < (HeightVB-14*qualityfactor))
   {
   rectY = rectY + qualityfactor*offsetYmap*100/zoomVal;
   svgRect.setAttributeNS(null,'y', rectY);
   rectOveXcorner = parseFloat(svgRect.getAttributeNS(null,'x'));
   rectOveYcorner = parseFloat(svgRect.getAttributeNS(null,'y'));
   y = svgMainViewport.currentTranslate.y;
   x = svgMainViewport.currentTranslate.x;
   rectOveYcorner = parseFloat(rectOveYcorner + (qualityfactor*y*100/zoomVal));
   rectOveXcorner = parseFloat(rectOveXcorner + (qualityfactor*x*100/zoomVal));
   rectOvewidth = parseFloat(svgRect.getAttributeNS(null,'width'));
   rectOveheight = parseFloat(svgRect.getAttributeNS(null,'height'));
   newViewport = rectOveXcorner + ' ' + rectOveYcorner + ' ' + rectOvewidth + ' ' + rectOveheight;
   svgMainViewport.setAttributeNS(null,'viewBox',newViewport);
   }
  }
 checkForTiles(evt);
}

function showSVGLayer(id,check_n)
 {
 var svgObj;
 var svgStyle;
 var checkVal;
 svgObj = svgdoc.getElementById(id);
 svgStyle = svgObj.getStyle();
 checkcolor = svgdoc.getElementById(check_n);
 if (svgStyle.getPropertyValue('visibility') == 'visible' || svgStyle.getPropertyValue('visibility') == 'hidden')
  {
  if (svgStyle.getPropertyValue('visibility') == 'visible')
   {checkVal = false;}
  if (svgStyle.getPropertyValue('visibility') == 'hidden')
   {
   checkVal= true;
   }
  }
 else
  {
  checkVal = false;
  }
 if (checkVal == true)
  {
  svgStyle.setProperty('visibility','visible');
  svgStyle.setProperty('pointer-events','all');
  checkobj = svgdoc.getElementById(check_n);
  checkobjstyle = checkobj.getStyle();
  checkobjstyle.setProperty('visibility','visible');
  }
 else
  {
  svgStyle.setProperty('visibility','hidden');
  svgStyle.setProperty('pointer-events','none');
  checkobj = svgdoc.getElementById(check_n);
  checkobjstyle = checkobj.getStyle();
  checkobjstyle.setProperty('visibility','hidden');
  }
 }

function switchColor (evt,property,newcolor,idpath)
{
var target ;
svgdoc = evt.getTarget().getOwnerDocument();
target = get_target(evt);
if (idpath.substring(0,17) == 'composedLineStyle')
   {
  objpath = svgdoc.getElementById(idpath.substring(17,idpath.length));objpath.setAttributeNS(null,'style','');
  tempobj = svgdoc.getElementById(idpath);tempobj.getStyle().setProperty(property,newcolor);
  }
else
 {
 target = get_target(evt);
 target.getStyle().setProperty (property, newcolor);
 }
}

function get_target (evt){
var target = evt.getTarget();
while (target && !target.getAttributeNS(null,'id'))target = target.getParentNode();
return target;
}

function switchZoomColor (evt,id,property,newcolor)
{
svgdoc = evt.getTarget().getOwnerDocument();
var obj = svgdoc.getElementById(id);
obj.getStyle().setProperty(property, newcolor);
}

function zoomLayering(evt)
{
svgdoc = evt.getTarget().getOwnerDocument();
var svgdocElement = svgdoc.getDocumentElement();
var nlayer;
var layerzoommin;
var layerzoommax;
var zoomlayervalue;
zoomlayervalue= parseFloat(zoom_init*100/zoomVal);
tablayers = layers.split(';');
nblayer = tablayers.length - 1;
 for (nlayer = 0;nlayer <= nblayer-1;nlayer++)
  {
  objlayer = svgdoc.getElementById(tablayers[nlayer]);
  zoomLayer = objlayer.getAttributeNS(dbxns,'zoomLayer');
  if (zoomLayer == 'true')
   {
   zoommin = parseFloat(objlayer.getAttributeNS(dbxns,'zoomMin'));
   zoommax = parseFloat(objlayer.getAttributeNS(dbxns,'zoomMax'));
   if ((zoomlayervalue >= zoommin) && (zoomlayervalue <= zoommax))
    {
    var checkbox;checkbox = svgdoc.getElementById('check'+eval(nlayer+1));
    if (checkbox.getStyle().getPropertyValue('visibility') == 'visible')
     {
     objlayer.getStyle().setProperty('visibility','visible');
     objlayer.getStyle().setProperty('pointer-events','all');
     }
    checkbox.getStyle().setProperty('stroke','rgb(0, 0, 0)');
    checkbox.setAttributeNS(dbxns,'pot_visible','true');
    if (objlayer.getAttributeNS(dbxns,'label') == 'true')
     {
     checkbox = svgdoc.getElementById('checklabel' + eval(nlayer+1));
     if (checkbox.getStyle().getPropertyValue('visibility') == 'visible')
      {
      objlayer.getStyle().setProperty('visibility','visible');
      objlayer.getStyle().setProperty('pointer-events','all');
      objlayerlabel = svgdoc.getElementById(tablayers[nlayer] + '_Labels');
      objlayerlabel.getStyle().setProperty('visibility','visible');
      objlayerlabel.getStyle().setProperty('pointer-events','all');
      }
     checkbox.getStyle().setProperty('stroke','rgb(0, 0, 0)');
     checkbox.setAttributeNS(dbxns,'pot_visible','true');
     }
    }
    else
     {
     objlayer.getStyle().setProperty('visibility','hidden');
     objlayer.getStyle().setProperty('pointer-events','none');
     var checkbox = svgdoc.getElementById('check'+eval(nlayer+1));
     checkbox.getStyle().setProperty('stroke','rgb(255,0,0)');
     checkbox.setAttributeNS(dbxns,'pot_visible','false');
     if (objlayer.getAttributeNS(dbxns,'label') == 'true')
      {
      checkbox = svgdoc.getElementById('checklabel'+eval(nlayer+1));
      checkbox.getStyle().setProperty('stroke','rgb(255,0,0)');
      checkbox.setAttributeNS(dbxns,'pot_visible','false');
      objlayerlabel = svgdoc.getElementById(tablayers[nlayer] + '_Labels');
      objlayerlabel.getStyle().setProperty('visibility','hidden');
      objlayerlabel.getStyle().setProperty('pointer-events','none');
      }
     }
    }
   }
  }

function resizeObjects(evt,type,factor)
 {
 svgdoc=evt.getTarget().getOwnerDocument();
 nodestylesheet = svgdoc.getElementById('mapstyle');
 objCSSstylesheet = nodestylesheet.getSheet();
 if (objCSSstylesheet != null)
  {
  rulelist = objCSSstylesheet.cssRules;
  for (k = 0; k<rulelist.length; k++)
   {
   cssstylerule = rulelist.item(k);
   if (cssstylerule.selectorText.substring(8,9) == 's' || cssstylerule.selectorText.substring(8,9) == 'p'){
cssstyledeclaration = cssstylerule.style;if (cssstylerule.selectorText.substring(8,9) == 's')
    {
    oldsize = cssstyledeclaration.getPropertyValue('font-size');}
    if (cssstylerule.selectorText.substring(8,9) == 'p')
     {
     oldsize = cssstyledeclaration.getPropertyValue('stroke-width');
     oldsize = oldsize.substring(0,oldsize.length-2);
strokeUnits='pt';
     }
     newsize = oldsize*factor;
     if (cssstylerule.selectorText.substring(8,9) == 's' || cssstylerule.selectorText.substring(8,9) == 'p')
     {
     if (cssstylerule.selectorText.substring(8,9) == 's') cssstyledeclaration.setProperty('font-size',newsize,null);
     if (cssstylerule.selectorText.substring(8,9) == 'p') cssstyledeclaration.setProperty('stroke-width',newsize+strokeUnits,null);
     }
    }
   }
  reload(evt);
  }
 }

function reload(evt)
{
 svgdoc=evt.getTarget().getOwnerDocument();
 var targetobj = svgdoc.getElementById('mapWindow');
 var parentobj = targetobj.getParentNode();targetobj.getParentNode().appendChild(targetobj);
}

function getCallbackHandler(grp){
var cb = function(urlRequestStatus)
    {
    var string='';
    if (urlRequestStatus.success)
       {
       string=urlRequestStatus.content;
 }else{return;}
    var docFragment=parseXML(string, document);
    var content = document.getElementById (cb.insertAfter);
    content.appendChild (docFragment);
    }
cb.insertAfter=grp;
return cb;
}

function addLayer(url, grp){
 getURL(url,getCallbackHandler(grp));
}

function removeLayer(id,from)
{
 
 var nodeToRemove = document.getElementById(id);
 var parent=document.getElementById(from);
 parent.removeChild(nodeToRemove);
}

function checkForTiles(evt)
{
 tablayers = layers.split(';'); 
 nblayer = tablayers.length - 1;
 var nbtiles;
 var nblincol;
 var rectov;
 
 var objinterRectsvg = svgdoc.getElementById('locationRect');
 rectov= new Rectangle(objinterRectsvg.getAttributeNS(null,'x'),objinterRectsvg.getAttributeNS(null,'y'),objinterRectsvg.getAttributeNS(null,'width'),objinterRectsvg.getAttributeNS(null,'height'));
 for (var klayer = 0;klayer <= nblayer-1; klayer++)
  {
  objlayer = svgdoc.getElementById(tablayers[klayer]);
  layername = tablayers[klayer];
  
  if ((objlayer.getAttributeNS(dbxns,'tiled') == 'true') && (objlayer.getStyle().getPropertyValue('visibility') == 'visible'))
   {
   nbtiles = parseInt(objlayer.getAttributeNS(dbxns,'nbTiles'));
   nblincol = Math.sqrt(nbtiles);
   for (var klin=1; klin<=nblincol; klin++)
    {
    for (var kcol=1; kcol<=nblincol; kcol++)   
     {
     if (IntersectOvTile(rectov,layername+klin+'_'+kcol+'_tile') == true)
      {
      if (svgdoc.getElementById(layername+klin+'_'+kcol+'_tile').getAttributeNS(dbxns,'tileloaded')=='false')  
       {
if (svgdoc.getElementById(layername+klin+'_'+kcol+'_tile').getAttributeNS(dbxns,'compressed') == 'true')
{
addLayer(layername + klin+'_'+kcol+'.svgz',layername);
}
else addLayer(layername + klin+'_'+kcol +'.svg',layername);
       svgdoc.getElementById(layername+klin+'_'+kcol+'_tile').setAttributeNS(dbxns,'tileloaded','true');
       }
      }
     else
      {
      if (svgdoc.getElementById(layername+klin+'_'+kcol+'_tile').getAttributeNS(dbxns,'tileloaded')=='true')
       {
       removeLayer(layername+klin+'_'+kcol,layername);
       svgdoc.getElementById(layername+klin+'_'+kcol+'_tile').setAttributeNS(dbxns,'tileloaded','false');
       }
      }
     }
    }
   }
  }
}
function IntersectOvTile(objinterRectsvg,idtile)
{
 var svgTile = svgdoc.getElementById(idtile);
 var objTile = new Rectangle(svgTile.getAttributeNS(null,'x'),svgTile.getAttributeNS(null,'y'),svgTile.getAttributeNS(null,'width'),svgTile.getAttributeNS(null,'height'));
 
 if (intersectrect(objinterRectsvg,objTile))
  {
  return true;
  }
 else return false;
}

function Rectangle(x,y,w,h)
{
 this.x = x;
 this.y = y;
 this.w = w;
 this.h = h;
}

function Point(x,y)
{
 this.x = x;
 this.y = y;
}

function intersectrect(rect1,rect2)
{
 var A = new Point(parseFloat(rect1.x),parseFloat(rect1.y));
 var B = new Point(parseFloat(rect1.x)+parseFloat(rect1.w),parseFloat(rect1.y));
 var C = new Point(parseFloat(rect1.x)+parseFloat(rect1.w),parseFloat(rect1.y)+parseFloat(rect1.h));
 var D = new Point(parseFloat(rect1.x),parseFloat(rect1.y)+parseFloat(rect1.h));
 
 var E = new Point(parseFloat(rect2.x),parseFloat(rect2.y));
 var F = new Point(parseFloat(rect2.x)+parseFloat(rect2.w),parseFloat(rect2.y));
 var G = new Point(parseFloat(rect2.x)+parseFloat(rect2.w),parseFloat(rect2.y)+parseFloat(rect2.h));
 var H = new Point(parseFloat(rect2.x),parseFloat(rect2.y)+parseFloat(rect2.h));
  
 intersection=false;
 if      (pointinRectangle(rect2,A)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect2,B)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect2,C)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect2,D)){ intersection=true; return intersection;}
 
 else if (pointinRectangle(rect1,E)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect1,F)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect1,G)){ intersection=true; return intersection;}
 else if (pointinRectangle(rect1,H)){ intersection=true; return intersection;}
 
 else if (intersect2segment(A,B,E,F)) { intersection=true; return intersection;}
 else if (intersect2segment(A,B,F,G)) { intersection=true; return intersection;}
 else if (intersect2segment(A,B,G,H)) { intersection=true; return intersection;}
 else if (intersect2segment(A,B,H,E)) { intersection=true; return intersection;}
 else if (intersect2segment(B,C,E,F)) { intersection=true; return intersection;}
 else if (intersect2segment(B,C,F,G)) { intersection=true; return intersection;}
 else if (intersect2segment(B,C,G,H)) { intersection=true; return intersection;}
 else if (intersect2segment(B,C,H,E)) { intersection=true; return intersection;}
 else if (intersect2segment(C,D,E,F)) { intersection=true; return intersection;}
 else if (intersect2segment(C,D,F,G)) { intersection=true; return intersection;}
 else if (intersect2segment(C,D,G,H)) { intersection=true; return intersection;}
 else if (intersect2segment(C,D,H,E)) { intersection=true; return intersection;}
 else if (intersect2segment(D,A,E,F)) { intersection=true; return intersection;}
 else if (intersect2segment(D,A,F,G)) { intersection=true; return intersection;}
 else if (intersect2segment(D,A,G,H)) { intersection=true; return intersection;}
 else if (intersect2segment(D,A,H,E)) { intersection=true; return intersection;}
 
 return intersection;
}

function pointinRectangle(rectobj,checkPoint)
{
 var A = new Point(parseFloat(rectobj.x),parseFloat(rectobj.y));
 var B = new Point(parseFloat(rectobj.x)+parseFloat(rectobj.w),parseFloat(rectobj.y));
 var C = new Point(parseFloat(rectobj.x)+parseFloat(rectobj.w),parseFloat(rectobj.y)+parseFloat(rectobj.h));
 var D = new Point(parseFloat(rectobj.x),parseFloat(rectobj.y)+parseFloat(rectobj.h));
  
 tabd = new Array();
 
 tabd[0] = A.x; tabd[1] = A.y;
 tabd[2] = B.x; tabd[3] = B.y;
 tabd[4] = C.x; tabd[5] = C.y;
 tabd[6] = D.x; tabd[7] = D.y;
 tabd[8] = A.x; tabd[9] = A.y;
 var lentabd; 
 lentabd = 11;
 
 var counter = 0;
 for (i=0; i<lentabd-3; i=i+2)
  {
  p1x = parseFloat(tabd[i]);
  p1y = parseFloat(tabd[i+1]);
  p2x = parseFloat(tabd[i+2]);
  p2y = parseFloat(tabd[i+3]);
  if(checkPoint.y>Math.min(p1y,p2y))
   {
   if(checkPoint.y<=Math.max(p1y,p2y))
    {
    if(checkPoint.x<=Math.max(p1x,p2x))
     {
     if(p1y!=p2y)
      {
      x_inter=(checkPoint.y-p1y)*(p2x-p1x)/(p2y-p1y)+p1x;
      if(p1x==p2x||checkPoint.x<=x_inter){counter++;}
      }
     }
    }
   }
  }
return counter%2==1;
}

function intersect2segment(point1,point2,point3,point4)
{
 var afirst;
 var asec;
 var bfirst;
 var bsec;
 var intersection;
 var vector1vert = false;
 var vector2vert = false;
 
 if (point2.x != point1.x)
  {
  afirst = parseFloat(point2.y-point1.y)/parseFloat(point2.x-point1.x);
  bfirst = parseFloat(point1.y) - parseFloat(afirst*point1.x);
  }
 else vector1vert = true;
 
 if (point3.x != point4.x)
  {
  asec = parseFloat(point4.y-point3.y)/parseFloat(point4.x-point3.x);
  bsec = parseFloat(point3.y) - parseFloat(asec*point3.x);
  }
 else vector2vert = true;
  
 intersection=false;
 if (!vector1vert || !vector2vert)
  {
  if (!vector1vert && !vector2vert)
   {
   if (afirst != asec)
    {
    y_inter = parseFloat(afirst*(bsec-bfirst)/(afirst-asec)) + parseFloat(bfirst);
    x_inter = parseFloat((bfirst-bsec)/(asec-afirst));
    if ((y_inter >= Math.min(point1.y,point2.y)) && (y_inter <= Math.max(point1.y,point2.y)))
     {
     if ((y_inter >= Math.min(point3.y,point4.y)) && (y_inter <= Math.max(point3.y,point4.y)))
      {
      if ((x_inter >= Math.min(point1.x,point2.x)) && (x_inter <= Math.max(point1.x,point2.x)) )
       {
       if ((x_inter >= Math.min(point3.x,point4.x)) && (x_inter <= Math.max(point3.x,point4.x)))
        {
        intersection = true;
        }
       }
      }
     }
    }
   else
    {
    if (bfirst == bsec)
     {
     if (Math.min(point3.x,point4.x) <= Math.max(point1.x,point2.x))
      {
      if (Math.max(point3.x,point4.x) >= Math.min(point1.x,point2.x))
       {
       intersection = true;
       }
      }
     }
    }
   }
  else
   {
   if (vector1vert)
    {
    if ((point1.x >= Math.min(point3.x,point4.x)) && (point1.x <= Math.max(point3.x,point4.x)))
     {
     y_inter = parseFloat(asec*point3.x + bsec);
     if ((bsec >= Math.min(point1.y,point2.y)) && (bsec <= Math.max(point1.y,point2.y)))
      {
      intersection = true;
      }
     }
    }
   if (vector2vert)
    {
    if ((point3.x >= Math.min(point1.x,point2.x)) && (point3.x <= Math.max(point1.x,point2.x)))
     {
     y_inter = parseFloat(afirst*point1.x + bfirst);
     if ((y_inter >= Math.min(point3.y,point4.y)) && (y_inter <= Math.max(point3.y,point4.y)))
      {
      intersection = true;
      }
     }
    }
   }
  }
 else
 {
 if (point1.x == point3.x)
  {
  if (Math.min(point3.y,point4.y) <= Math.max(point1.y,point2.y))
   {
   if (Math.max(point3.y,point4.y) >= Math.min(point1.y,point2.y))
    {
    intersection = true;
    }
   }
  }
 }
return intersection;
}

我用的是adobe 的插件

谢谢，也请发我一份

laomaowww@163.com

谢谢！

wu518@163.com