function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

var lis;
var ids;

setHome = function()
{
	if (!document.getElementById) return false;
	
	var c = 0;
		lis = ["highcost", "rural", "lowincome", "schools"];
		ids = ["hc", "r", "li", "sl"];
	var n = 0;

	while (c < lis.length)
	{
		var el = document.getElementById(lis[c])
	
		var as = el.getElementsByTagName("a");
		var is = el.getElementsByTagName("img");
			
			is[0].oldsrc = is[0].src;
			is[0].newsrc = is[0].src.replace(".jpg","") + "-roll.jpg";
			
			var dText = document.getElementById(ids[c] + "-text");
			var aText = document.getElementById(ids[c] + "-text-hover");
			
			as[0].box = c;
			as[0].dText = dText;
			as[0].aText = aText;
			
				as[0].onmouseover = function()
				{ 
					i = document.getElementById(ids[this.box] + "-pic");
					i.src = i.newsrc;
					this.dText.style.display = "none";
					this.aText.style.display = "block";
				}
				as[0].onmouseout = function()
				{
					i = document.getElementById(ids[this.box] + "-pic");
					i.src = i.oldsrc;
					this.dText.style.display = "block";
					this.aText.style.display = "none";
				}
	n++;
	c++;
	}
	
}

addLoadEvent(function() { setHome(); });