function Coordinate(x,y)
{this.x=x;if(!this.x)
this.x=0
this.y=y;if(!this.y)
this.y=0}
Coordinate.Statics=new Object()
Coordinate.Statics.boxModel=true;Coordinate.Statics.setup=function()
{var div=document.createElement("div");div.style.width=div.style.paddingLeft="1px";document.body.appendChild(div);Coordinate.Statics.boxModel=div.offsetWidth===2;document.body.removeChild(div).style.display='none';}
Coordinate.Statics.findPos=function(obj)
{var position=new Coordinate(0,0);var depth=0;var objStyle=obj.currentStyle;if(!objStyle)
objStyle=document.defaultView.getComputedStyle(obj,'');if(obj.offsetParent)
{while(obj.offsetParent&&(0==depth||('absolute'!=objStyle.position&&'relative'!=objStyle.position)))
{position.x+=obj.offsetLeft;position.y+=obj.offsetTop;obj=obj.offsetParent;objStyle=obj.currentStyle;if(!objStyle)
objStyle=document.defaultView.getComputedStyle(obj,'');depth+=1;}}
else
{if(obj.x)
position.x+=obj.x;if(obj.y)
position.y+=obj.y;}
return position;}
Coordinate.Statics.findAbsolutePos=function(obj)
{var position=new Coordinate(0,0);var doc=obj.ownerDocument;if(!doc)dov=document;if(obj.getBoundingClientRect)
{var body=doc.body;var docElem=doc.documentElement;var rect=obj.getBoundingClientRect();position.x=rect.left+(self.pageXOffset||Coordinate.Statics.boxModel&&docElem.scrollLeft||body.scrollLeft)-(docElem.clientLeft||body.clientLeft||0);position.y=rect.top+(self.pageYOffset||Coordinate.Statics.boxModel&&docElem.scrollTop||body.scrollTop)-(docElem.clientTop||body.clientTop||0);}
else
{var offsetParent=null;var depth=0;var objStyle=obj.currentStyle;if(!objStyle)
objStyle=doc.defaultView.getComputedStyle(obj,'');if(obj.offsetParent)
{offsetParent=obj;while(obj.parentNode)
{if('body'==obj.nodeName.toLowerCase())
break;if(obj==offsetParent)
{position.x+=obj.offsetLeft;position.y+=obj.offsetTop;offsetParent=obj.offsetParent;}
if(0!=depth)
{position.x-=parseInt(obj.scrollLeft);position.y-=parseInt(obj.scrollTop);}
obj=obj.parentNode;try{objStyle=obj.currentStyle;if(!objStyle)
objStyle=doc.defaultView.getComputedStyle(obj,'');}catch(e){}
depth+=1;}}
else
{if(obj.x)
position.x+=obj.x;if(obj.y)
position.y+=obj.y;}}
return position;}
Coordinate.Statics.findEventPosition=function(e)
{if(!e)
e=window.event;if(!e.target)
e.target=e.srcElement;var doc=e.target.ownerDocument;if(doc)
{var win=doc.defaultView;var x=e.clientX;if(win&&win.scrollX)
x+=win.scrollX;else
x=x+doc.documentElement.scrollLeft+doc.body.scrollLeft-2;var y=e.clientY;if(win&&win.scrollY)
y+=win.scrollY;else
y=y+doc.documentElement.scrollTop+doc.body.scrollTop-2;return new Coordinate(x,y);}
return new Coordinate(0,0);}
Coordinate.Statics.findRelativePos=function(node,relativeNode)
{var o=new Coordinate();var nodePair=new Coordinate(0,0);var nodeList=new Array();while(node!=null)
{nodePair=new Coordinate(nodePair.x+node.offsetLeft-node.scrollLeft,nodePair.y+node.offsetTop-node.scrollTop);node=node.offsetParent;nodeList.push({node:node,pair:nodePair});}
var relNodePair=new Coordinate(0,0);var relNodeList=new Array();while(relativeNode!=null)
{relNodePair=new Coordinate(relNodePair.x+relativeNode.offsetLeft-relativeNode.scrollLeft,relNodePair.y+relativeNode.offsetTop-relativeNode.scrollTop);relativeNode=relativeNode.offsetParent;relNodeList.push({node:relativeNode,pair:relNodePair});}
var nodeIndex,nodeCount;for(nodeIndex=1,nodeCount=Math.min(nodeList.length,relNodeList.length);nodeIndex<=nodeCount;nodeIndex++)
if(nodeList[nodeList.length-nodeIndex].node==relNodeList[relNodeList.length-nodeIndex].node)
break;if(nodeIndex<=nodeCount)
{nodePair=nodeList[nodeList.length-nodeIndex].pair;relNodePair=relNodeList[relNodeList.length-nodeIndex].pair;o.x=nodePair.x-relNodePair.x;o.y=nodePair.y-relNodePair.y;}
return o;}
if(window.addEventListener)
window.addEventListener('load',Coordinate.Statics.setup,false);else if(window.attachEvent)
window.attachEvent('onload',Coordinate.Statics.setup);