function $(id){
	return document.getElementById(id);
}
var fromurl="-1";
function XMLHttpObject(method,url,data,Syne){
	var XMLHttp=null;
	var o=this;
	this.method=method;
	this.url=url;
	this.Syne=Syne;
	this.text="";
	this.xmldoc=null;
	this.params=data;
	if(fromurl!="-1")
	{
		this.params=this.params+"&fromurl="+fromurl
	}
	this.sendData = function()
	{
			if (window.XMLHttpRequest) {
				XMLHttp	= new XMLHttpRequest();
			} else if (window.ActiveXObject) {
				XMLHttp	= new ActiveXObject("Microsoft.XMLHTTP");
			}
			with(XMLHttp){
				open(this.method, this.url, this.Syne);
				if(this.method=="POST") {
				    XMLHttp.setRequestHeader("Method", "POST "+this.url+" HTTP/1.1");
	  				XMLHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
				} else {
					XMLHttp.setRequestHeader("Content-Type","text/xml;charset=gb2312");
				}
				onreadystatechange = o.onCallBack;
				send(this.params);
			}
	}
	this.onCallBack=function()
	{
		try{
			if (XMLHttp.readyState == 4) {
				if (XMLHttp.status == 200) {
					o.text = XMLHttp.responseText;
					o.xmldoc=XMLHttp.responseXML;
					o.CallBackOK();
				} else if(XMLHttp.status == 204) {
					o.CallBackFailed();
				} else if(XMLHttp.status == 203) {
					o.CallBackTimeout();
				} else {
					o.CallBackFailed();
				}
			}
		}catch(e){
			o.CallBackFailed();
		}
	}
	this.getResponseXml = function(){
		return this.xmldoc;
	}
	this.getResponseTxt = function(){
		return this.text
	}
	this.CallBackOK=function(){};
	this.CallBackFailed=function(){
		//alert("CallBackFailed.");
	};
	this.CallBackTimeout=function(){
		//alert("CallBackTimeout.");
	};
}

function DoFresh(){
	d = new Date(); 
	s = d.getYear()+ "-"; 
	s += (d.getMonth() + 1) + "-"; 
	s += d.getDate() + ' ';
	s += d.getHours() + ":"; 
	s += d.getMinutes() + ":"; 
	s += d.getSeconds();
	$('codeimg').src="http://gc.imop.com/com/randimg/img.php?t="+s;
}
function LfDoFresh(){
	d = new Date(); 
	s = d.getYear()+ "-"; 
	s += (d.getMonth() + 1) + "-"; 
	s += d.getDate() + ' ';
	s += d.getHours() + ":"; 
	s += d.getMinutes() + ":"; 
	s += d.getSeconds();
	$('lfcodeimg').src="http://gc.imop.com/com/randimg/img.php?t="+s;
}