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 == 'rollover') {
			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);
			}
		}
	}
}

window.onload = initRollovers;


var tab = { 
init: function(){ 
var tabs = this.setup.tabs; 
var pages = this.setup.pages; 
  
for(i=0; i<pages.length; i++) { 
if(i !== 0) pages[i].style.display = 'none'; 
tabs[i].onclick = function(){ tab.showpage(this); return false; }; 
} 
}, 
  
showpage: function(obj){ 
var tabs = this.setup.tabs; 
var pages = this.setup.pages; 
var num; 
  
for(num=0; num<tabs.length; num++) { 
if(tabs[num] === obj) break; 
} 
  
for(var i=0; i<pages.length; i++) { 
if(i == num) { 
pages[num].style.display = 'block'; 
tabs[num].className = 'present'; 
} 
else{ 
pages[i].style.display = 'none'; 
tabs[i].className = null; 
} 
} 
} 
}