var current = 0;
	var total;
	var doc;
	var arr = new Array();
	var links = new Array();
	function loadxml(){
		if(window.ActiveXObject){
			doc = new ActiveXObject("Microsoft.XMLDOM");
		}else if(document.implementation != 'undefined'){
			doc = document.implementation.createDocument('', '', null);
		}
		doc.async = false;
		doc.onreadystatechange = result;
		doc.load("site.xml");
	}
	function result(){
		if(doc.readyState == 4){
			if(doc.parseError.errorCode==0){
				saveinfo();
				allist();
			}
		}
	}
	function saveinfo(){
		var node = doc.documentElement.selectNodes("//website/site");		
		total = node.length;
		for(i=0;i<total;i++){
			arr[i] = doc.childNodes(1).childNodes(i).childNodes(1).childNodes(0).nodeValue;
			links[i] = doc.childNodes(1).childNodes(i).childNodes(3).childNodes(0).nodeValue;
		}
	}
	function allist(){
		var al1 = document.getElementById("al1");
		var al2 = document.getElementById("al2");
		
		al1.innerHTML = "<a href='"+links[current]+"' target='_blank'><img src='"+arr[current]+"' width='135' height='90' border=0 /></a>"
		al2.innerHTML = "<a href='"+links[current+1]+"' target='_blank'><img src='"+arr[(current+1)]+"' width='135' height='90' border=0 /></a>"
	}
	function prev(){
		if(current>0){
			current -= 1;
		}
		allist();
	}
	function next(){
		if(current+1<total-1){
			current += 1;
		}
		allist();
	}