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sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
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	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

var http_request = false;
function makeRequest(url, functionName, httpType, sendData) {
	http_request = false;
	if (!httpType) httpType = "GET";
	if (window.XMLHttpRequest) { 
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/plain');
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		} else if (window.ActiveXObject) {
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
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	}
	if (!http_request) {
		alert('Cannot send an XMLHTTP request');
		return false;
	}
	var changefunc="http_request.onreadystatechange = "+functionName;
	eval (changefunc);
	//http_request.onreadystatechange = alertContents;
	http_request.open(httpType, url, true);
	http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http_request.send(sendData);
}

//HTTP·µ»ØÖµ´¦Àí
function getReturnedText () {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var http_msg = http_request.responseText;
			if (http_msg=='0') {
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				show.style.display='';
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				show.style.display='none';
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}

function getredirect(v) {
	if (v=='') v=136;
	window.PlayIFrame.document.location.href='weather.asp?id='+v;
}

//--><!]]>