var objCount = 0;
var pics
pics = new Array(); 
function preload(path,name)
{
	
	
	pics[objCount]=new Array(2);
	pics[objCount][0] = new Image();
	pics[objCount][0].src = path+name; 
	pics[objCount][1] = new Image();
	pics[objCount][1].src = path+'a'+name; 
	
	objCount++; 
}

function over(obj)
{
	id=obj.getAttribute('cid')
	obj.src=pics[id][1].src
}
function out(obj)
{
	id=obj.getAttribute('cid')
	obj.src=pics[id][0].src
}

function Init()
{
	anchors=document.getElementsByTagName("img")
	

	for(i=0;i<anchors.length;i++)
	{
		var anchor=anchors[i]
		
		if(anchor.getAttribute('rel')=="portfolio")
		{
			var pic=anchor.getAttribute('pid')
			preload("http://"+location.host+"/files/chapter_c/",pic+".jpg")
			anchor.onmouseover = function(){
				over(this);
				return false;
			}
			anchor.onmouseout = function(){
				out(this);
				return false;
			}
			
		}
		
	}
	//alert("INITOK")
}