function InitAjax()
{
	var ajax=false;
	try {
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			ajax = false;
		}
	}
	if (!ajax && typeof XMLHttpRequest!='undefined') {
		ajax = new XMLHttpRequest();
	}
	
	return ajax;
}



function geturl(url)
{
	//实例化Ajax
	var ajax = InitAjax();
	var ajaxTXT ;
	
	//通过gst方式打开连接
	ajax.open("GET", url, false);

	ajax.send(null);
	//获取执行状态

	//如果执行状态成功，那么就把返回信息写到指定的层里
	
	if (ajax.readyState == 4 && ajax.status == 200) {

		ajaxTXT = ajax.responseText;
				
	}else{
			
		ajaxTXT= -1;
				
	}
	ajax=null;
	return ajaxTXT;
		
}