if (document.images) 
{
   img1 = new Image();
   img2 = new Image();
   img3 = new Image();
   img4 = new Image();
   img5 = new Image();
   img6 = new Image();
   img7 = new Image();
   img8 = new Image();

   img1.src = "images/background.gif";
   img2.src = "images/hemaka_logo.gif";
   img3.src = "images/integrity_by_way_of_ingenui.gif";
   img4.src = "images/home_page.jpg";
   img5.src = "images/curved_border.gif";
   img6.src = "images/curved_border_bottom.gif";
   img7.src = "images/desert_brown.jpg";
   img8.src = "images/desert_white.jpg";
}

function rollovers()
{
	try
	{
		if (document.getElementById)
			var x = document.getElementById('portfolio_navigation').getElementsByTagName('img');
		else if (document.all)
			var x = document.all['portfolio_navigation'].all.tags('img');
		else return;
		if (!x) return;
	} catch (e) {return};
	var preloads = new Object();
	for (var i=0;i<x.length;i++)
	{
		if(x[i].className != 'selected_client')
		{
			preloads['normal_'+x[i].id] = new Image;
			preloads['normal_'+x[i].id].src = '/images/portfolio/'+ x[i].id + '.gif';
			preloads['over_'+x[i].id] = new Image;
			preloads['over_'+x[i].id].src = '/images/portfolio/'+ x[i].id + '-over.gif';
			x[i].onmouseover = function () {this.src=preloads['over_'+this.id].src;}
			x[i].onmouseout = function () {this.src=preloads['normal_'+this.id].src;}
		}
	}
}

window.onload = rollovers;