if(document.getElementsByTagName){
	var tabs = document.getElementById('tab').getElementsByTagName('li');
	for(i=0; i<tabs.length; i++){
		tabs[i].onclick = function() {
			tgt = this.getAttribute('class');
			document.getElementById('tab1').style.display = "none";
			document.getElementById('tab2').style.display = "none";
			document.getElementById('tab3').style.display = "none";
			document.getElementById(tgt).style.display = "block";
			
			for(k=0; k<tabs.length; k++){
				if(tabs[k].getAttribute('class') != tgt){
					tabs[k].childNodes[0].setAttribute("src", tabs[k].childNodes[0].getAttribute("src").replace("_on.", "_off."));
					tabs[k].childNodes[0].setAttribute("src", tabs[k].childNodes[0].getAttribute("src").replace("_select.", "_off."));
				}else{
					tabs[k].childNodes[0].setAttribute("src", tabs[k].childNodes[0].getAttribute("src").replace("_off.", "_select."));
					tabs[k].childNodes[0].setAttribute("src", tabs[k].childNodes[0].getAttribute("src").replace("_on.", "_select."));
				}
			}
			smartRollover();
		}
	}
}