function tabInit(){
	tabCrawl(null);
}
function tabCrawl(idx){
	var d = document;
	var ul = d.getElementsByTagName("ul");
	var n;
	var nn;
	for(n = 0; n < ul.length; n++){
		if(ul[n].className == "yui-nav"){
			var li = ul[n].getElementsByTagName("li");
			for(nn = 0; nn < li.length; nn++){
				var a = li[nn].getElementsByTagName("a")[0];
				var tgt = a.href.split("#")[1];
				
				if(idx == null){
					a.onclick = switchTab;
				}else if(idx == tgt){
					li[nn].className = "selected";
					d.getElementById(idx).style.display = "block";
				}else{
					li[nn].className = "normal";
					d.getElementById(tgt).style.display = "none";
				}
			}
		}
	}
}

function switchTab(e){
	var tgt = this.href.split("#")[1];
	switch(tgt){
		case "Areas":
			document.selectForm.radio_search.value = "area";
		break;
		case "Address":
			document.selectForm.radio_search.value = "addr";
		break;
		default:
			document.selectForm.radio_search.value = "freeword";
		break;
	}
	tabCrawl(tgt);
	return false;
}

addEvent(window,"load",tabInit);