/*
	Standards Compliant Rollover Script
*/


function initRollovers() {	
	//Get the here state for the main nav before setting up rollover functions
	if(section !=""){
		document.getElementById(section).src="/images/mnav"+section+"_hr.jpg";// get selected nav item
		document.getElementById(section).setAttribute("className", "empty");//Remove the 'rollover' class to the selected nav item
	}
	
	//Now set rollover functions
	if (!document.getElementById) return	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {	
	
		if(aImages[i].id == section){
			
		}	
		else if (aImages[i].className == 'rollover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;