window.onload = function() {
	initRollovers();
	newWinLinks();
}

function initRollovers() {
	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].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+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('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

var topPos = screen.availHeight*0.4;
var leftPos = screen.availWidth*0.4;
function newWinLinks() {
	for(var i=0; i<document.links.length; i++) {
		if(document.links[i].className == "newwin") {
			document.links[i].onclick = newWindow;
		}
	}
}

function newWindow() {
	var wObject = window.open(this.href, "newWin", "resizable=no,width=350,height=260,left="+leftPos+",top="+topPos);
	wObject.focus();
	return false;
}