function getHtm(url,id){
	if(url==null || url=="") {
		 alert("\u7f51\u5740\u4e0d\u80fd\u4e3a\u7a7a\uff01");return;
	}else if(id==null || id==""){
		alert("ID\u4e0d\u80fd\u4e3a\u7a7a\uff01");return;
	}else{
		var xmlhttp = createXMLHttp();
		 xmlhttp.open("GET",url,true);
		 xmlhttp.onreadystatechange=function(){
			if(xmlhttp.readyState==4 && xmlhttp.status==200){
				document.getElementById(id).innerHTML = xmlhttp.responseText;
			}else{
				document.getElementById(id).innerHTML = "errer";
			}
		}
		xmlhttp.setRequestHeader("If-Modified-Since","0");
		//xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		xmlhttp.send(null);
	 }
 }
function getHtmJsp(url,id,urls){
	var xmlhttp = createXMLHttp();
	 xmlhttp.open("GET",url,true);
	 xmlhttp.onreadystatechange=function(){
		if(xmlhttp.readyState==4 && xmlhttp.status==200){
			document.getElementById(id).innerHTML = xmlhttp.responseText;
		}else if(xmlhttp.readyState!=4 && xmlhttp.status!=200){
			getJsp(urls,id);
		}else{
			document.getElementById(id).innerHTML = "errer";
		}
	}
	xmlhttp.setRequestHeader("If-Modified-Since","0");
	//xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	xmlhttp.send(null);
 }
 function getJsp(url,id){
	var xmlhttp = createXMLHttp();
	 xmlhttp.open("GET",url,true);
	 xmlhttp.onreadystatechange=function(){
		if(xmlhttp.readyState==4 && xmlhttp.status==200){
			document.getElementById(id).innerHTML = xmlhttp.responseText;
		}else{
			document.getElementById(id).innerHTML = "errer";
		}
	}
	xmlhttp.setRequestHeader("If-Modified-Since","0");
	//xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	xmlhttp.send(null);
 }
 

function createXMLHttp(){
  if(window.ActiveXObject){
    var aVersions=["Msxml2.XMLHTTP.6.0","MSXML2.XMLHttp.5.0","MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
    for(var i=0;i<aVersions.length;i++){
	   try{
	      var oXmlHttp=new ActiveXObject(aVersions[i]);
	  	  return oXmlHttp;
	   }catch(oError){}
 	}
  }else if(typeof XMLHttpRequest!="undefined"){
    return new XMLHttpRequest;
  }else if(window.XMLHttpRequest){
  	 return new XMLHttpRequest();
  }
}

function reinitIframe(obj){
	var iframe = document.getElementById(obj);
	try{
		var bHeight = iframe.contentWindow.document.body.scrollHeight;
		var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
		var height = Math.max(bHeight, dHeight);
		iframe.height = height;
	}catch (ex){}
}