var XMLRequest=false;
var AjaxStatus=0;
function sendRequest(Name,SQL,IsAsyn){
	AjaxStatus=1;
	if(window.XMLHttpRequest){
	    XMLRequest=new XMLHttpRequest();
	}else if(window.ActiveXObject){
	    XMLRequest=new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		XMLRequest=new ActiveXObject('Msxml2.XMLHTTP');
	}
	if(!XMLRequest){
		alert("无法与服务器建立连接!");
		AjaxStatus=0;
		return;
	}
	XMLRequest.open('POST',Name,IsAsyn);
	XMLRequest.onreadystatechange=processRequest;	
	XMLRequest.setRequestHeader("content-Type","application/x-www-form-urlencoded");
	XMLRequest.send(SQL);
}