function CheckStr(srcStr){
    var dstStr;
    dstStr = srcStr;
    dstStr = dstStr.replace(/</g, "<");
    dstStr = dstStr.replace(/>/g, ">");
    dstStr = dstStr.replace(/&/g, "&");
    return dstStr;
}

function TryThese(){
    for (i = 0; i < arguments.length; i++){
        try{
            return arguments[i]();
        }catch(e){}
    }
    return false;
}

function CreateXMLHTTP(){
    return TryThese(
        function() {return new ActiveXObject("Msxml2.XMLHTTP");},
        function() {return new ActiveXObject("Microsoft.XMLHTTP");},
        function() {return new XMLHttpRequest();}
    ) || false;
}

function SendRequest(url, param, method, echofun) {
    var xmlHTTP = CreateXMLHTTP();
    if (xmlHTTP){
        xmlHTTP.onreadystatechange = function()
        {
            if (xmlHTTP.readyState == 4 && xmlHTTP.status == 200){
                if (echofun!= null){
                    echofun(xmlHTTP.responseText);
                }
            }
        }
        xmlHTTP.open(method, url, true);
        xmlHTTP.setRequestHeader("Content-Length",param.length); 
        xmlHTTP.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
        xmlHTTP.send(encodeURI(param));    
    }else{
        NoXMLHTTP();
    }
}

function NoXMLHTTP(){
    alert("Sorry, your browser doesn't support XMLHTTP");
}

//Author:evio

//edit by evio start  AJAX 模式
//创建HTTPREQUEST对象系列
function echo(obj,html)
{
	$(obj).innerHTML=html;
}
function fopen(obj)
{
	$(obj).style.display="";
}
function fclose(obj)
{
	$(obj).style.display="none";
}
function CreateXMLHTTP()
{
	var xmlhttp=false;
	try	{
  		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 	} 
	catch (e) {
  		try {
   			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  		} 
		catch (e) {
   			xmlhttp = false;
 		}
 	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  		xmlhttp = new XMLHttpRequest();
				if (xmlhttp.overrideMimeType) {//设置MiME类别
			xmlhttp.overrideMimeType('text/xml');
		}
	}	

	return xmlhttp;	
}
function check(url,obj1,obj2)
{
		
		var xmlhttp = CreateXMLHTTP();
		if(!xmlhttp)
		{
			alert("你的浏览器不支持XMLHTTP！！");
			return;
		}
		xmlhttp.onreadystatechange=requestdata;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
		function requestdata()
		{
			
				fopen(obj1);
				echo(obj1,"<img src='images/loading.gif'>");
				if(xmlhttp.readyState==4)
				{
					if(xmlhttp.status==200)
					{
						if(obj1!=obj2){fclose(obj1);};
						echo(obj2,xmlhttp.responseText);
						
					}
				}
			
		}
}
//edit by evio start