// JavaScript Document
function tosearch(obj){
	var str=obj.value;
	window.open('http://www.thxun.com/s?query='+encodeURI(str));
	
}


//ajax start
/*
var http_request = false;
function makeRequest(url) {

	http_request = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!http_request) {
		//alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	//http_request.onreadystatechange = alertContents;
	http_request.open('GET', url, true);
	http_request.send(null);

}

function alertContents() {

	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			alert(http_request.responseText);
		} else {
			alert('There was a problem with the request.');
		}
	}

}
*/
//ajax end


//=======================================edit 1.0v =======================================
var http_request = false;
function makeRequest(url) {

	http_request = false;
//------------------------------浏览器判断区开始----------------------------
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
//------------------------------浏览器判断区结束----------------------------
	
	var id=getarg2(url);
	if(id!="")//若ID存在
	{
	    var requestUrl="/AJAX/chmHandler.ashx?id="+id;
	    http_request.open('GET', requestUrl, true);
	    http_request.onreadystatechange = alertContents;
	    http_request.send(null);
	}
	else
	{
	  alert("不存在这样的ID");
	}

}
function alertContents() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			//------------------------------------------------------------------------------------------------------
			var alertRootElement=document.getElementById("ad6");
		
			var alertInfo=http_request.responseText;
			var obj=document.createDocumentFragment();
			alertRootElement.innerHTML="";
			alertRootElement.innerHTML=alertInfo;
         
			//------------------------------------------------------------------------------------------------------
		} else {
			alert('There was a problem with the request.');
		}
	}
}
//----------------------------------------正则表达式提取CHM的ID---------------------------

function getarg2(url)    
{    
var returnStr;
//var url ="/count/chm/times.asp?id=9940&r=chm";// unescape(window.location.href);    
var allargs = url.split("?")[1];    
var args = allargs.split("&");    

    for(var i=0; i<args.length; i++)    
    {    
        var arg = args[i].split("=");    
    //eval('this.'+arg[0]+'="'+arg[1]+'";'); 
        if((args[i].substring(0,2)).toLowerCase()=="id")
        {
          //  alert(args[i]);  
            returnStr=(args[i].substring(3)); 
            break ;
        }
    }  
    return returnStr;//返回所得的数字ID  
}    

//=======================================edit end=========================================