currentPage="";

function init()
{
//preload
	if (document.images)
	{
		document["home_img"].src = "img/transparent.gif";
		document["portfolio_img"].src = "img/transparent.gif";
		document["producten_img"].src = "img/transparent.gif";
		document["contact_img"].src = "img/transparent.gif";

		circle1Up = new Image();
		circle1Up.src = "img/circles/circle1.jpg";
		circle2Up = new Image();
		circle2Up.src = "img/circles/circle2.jpg";
		circle3Up = new Image();
		circle3Up.src = "img/circles/circle3.jpg";

		circle1Down = new Image();
		circle1Down.src = "img/circles/circle1_show.jpg";
		circle2Down = new Image();
		circle2Down.src = "img/circles/circle2_show.jpg";
		circle3Down = new Image();
		circle3Down.src = "img/circles/circle3_show.jpg";
	}
}
	
 function itemMouseOver(item, str)
 {
	if (str==null||str==currentPage||!document.images)
	{return;}
	else if (str.toString().substring(0,6)=="circle")
	{
		item.src = eval(str+"Down.src");			
		if (str=="circle1")
		{
			document["portfolio_img"].src = "img/words/portfolio.gif";
		}
		else if (str=="circle2")
		{
			document["producten_img"].src = "img/words/producten.gif";
		}
		else if (str=="circle3")
		{
			document["contact_img"].src = "img/words/contact.gif";
		}
	}
	else if (str=="spider")
	{
		document["home_img"].src = "img/words/home.gif";
		/*Nothing for now*/
	}
 }
 
 function itemMouseOut(item, str)
 {
	if (str==null||str==currentPage)
	{return;}
	else if (str.substring(0,6)=="circle")
	{
		item.src = eval(str+"Up.src");
		if (str=="circle1")
		{
			document["portfolio_img"].src = "img/transparent.gif";
		}
		else if (str=="circle2")
		{
			document["producten_img"].src = "img/transparent.gif";
		}
		else if (str=="circle3")
		{
			document["contact_img"].src = "img/transparent.gif";
		}
	}
	else if (str=="spider")
	{
		document["home_img"].src = "img/transparent.gif";		
	}
 }