var catId=0;
function create_cat_cookies()
{
	if (location.search != "")
		{
			var x = location.search.substr(1).split("&");
		for (var i=0; i<x.length; i++)
		{
			var y = x[i].split("=");
			//alert("Key '" + y[0] + "' has the content '" + y[1]+"'")
			if (y[0]=='catId')
				catId=y[1];
			if(y[0]=='act')
				var act=y[1];
		}
	}	
	if (readCookie('uuuy') != catId)
	{
		createCookie('uuuy',catId,0.005);
		for (var i=1; i<4; i++)
		{
			eraseCookie('uuuy'+i);
			eraseCookie('uuum'+i);
		}
	}
	else{
		for (var i=1; i<4; i++)
		{
			if(readCookie('uuuy'+i))
			{
				checked[readCookie('uuuy'+i)]=i;
				//alert(readCookie('uuuy'+i));
			}
			

		}
	
	}
}
function count_cookies()
{
	var i=0;
	var j=1;
	while(j<=3)
	{
		if(readCookie('uuuy'+j))
			i=i+1;
		j=j+1;
	}
		
	return i;
}
function set_cat_cookies(itemId,img, checked_item){

	if (checked_item)
	{
		if(! readCookie('uuuy1'))
		{
			createCookie('uuuy1',itemId,1);
			createCookie('uuum1',img,1);
		}else
		if(! readCookie('uuuy2'))
		{
			createCookie('uuuy2',itemId,1);
			createCookie('uuum2',img,1);
		}else{
			createCookie('uuuy3',itemId,1);
			createCookie('uuum3',img,1);
		}
		
	}else{
	
		if (readCookie('uuuy1') == itemId)
		{
			eraseCookie('uuuy1');
			eraseCookie('uuum1');
		}
		if (readCookie('uuuy2') == itemId)
		{
			eraseCookie('uuuy2');
			eraseCookie('uuum2');
		}
		if (readCookie('uuuy3') == itemId)
		{
			eraseCookie('uuuy3');
			eraseCookie('uuum3');
		}

	}	
}
var checked=new Array();
var maxChecks=3
var compare_post='';
create_cat_cookies();
var checkCount=count_cookies();

	
//alert(checkCount);



function setChecks(obj, img){
var item_str;

	if(obj.checked){
	//alert(obj.id);
		checkCount=checkCount+1	
		if (checkCount<=3){
				var img_name=document.getElementById('com_img_'+checkCount).src.split( '/' );
				//alert(url);
			if (img_name[img_name.length-1] == 'empty.gif')
			{
				document.getElementById('com_img_'+checkCount).src=img;
				checked[obj.id]=checkCount;
				compare_post[i]=obj.id;	
				set_cat_cookies(obj.id,img, 1);
				
				//countit(location.href);
				 
			}
			else{
				var i=1;
				while (i<=3)
				{
					img_name=document.getElementById('com_img_'+i).src.split( '/' );
					if (img_name[img_name.length-1] == 'empty.gif')
					{
						document.getElementById('com_img_'+i).src=img; 
						checked[obj.id]=i;
						compare_post[i]=obj.id;
						set_cat_cookies(obj.id,img, 1);
						i=4;
					}
					else
						i=i+1;
				}
				
			}

			}

	}else{
	//alert(checkCount);
		checkCount=checkCount-1;
		//alert(checked[obj.id]);
		document.getElementById('com_img_'+checked[obj.id]).src='skin/2009/images/empty.gif';
	
		set_cat_cookies(obj.id,'empty.gif', 0);
		//alert (url);
		//alert(item_str);
		//alert (url);
		
	}
	if (checkCount>maxChecks){
		obj.checked=false
		checkCount=checkCount-1
		alert('you may only choose up to '+maxChecks+' options')
	}
}

function delete_cookies(itemId)
{
	set_cat_cookies(itemId,"empty.gif", 0);
	
}

function delete_all_cookies()
{
	var act;
	if (location.search != "")
		{
			var x = location.search.substr(1).split("&");
		for (var i=0; i<x.length; i++)
		{
			var y = x[i].split("=");
			//alert("Key '" + y[0] + "' has the content '" + y[1]+"'")
			if(y[0]=='act')
				act=y[1];
		}
	}	
	if ((act != "viewSubCat") && (act != "compare"))
	{

		eraseCookie('uuuy');
		for (var i=1; i<4; i++)
		{
			eraseCookie('uuuy'+i);
			eraseCookie('uuum'+i);
		}
	}
	
}