var $$=function( objectId )
{
     if(document.getElementById && document.getElementById(objectId)) 
     {
       // W3C DOM
       return document.getElementById(objectId);
     } 
     else if (document.all && document.all(objectId)) 
     {
       // MSIE 4 DOM
       return document.all(objectId);
     } 
     else if (document.layers && document.layers[objectId]) 
     {
       // NN 4 DOM.. note: this won't find nested layers
       return document.layers[objectId];
     } 
     else 
     {
       return false;
     }
}

function CreateXMLHttpRequest()
{
   // Initialize Mozilla XMLHttpRequest object
   var xmlHttp;
   if (window.XMLHttpRequest)
   {
       xmlHttp = new XMLHttpRequest();
   } 
   // Initialize for IE/Windows ActiveX version
   else if (window.ActiveXObject)
   {
       try
       {
                xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");
         } 
       catch (e)
       {
                try
                {
                     xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
                }
                catch(e)
                {
                     newsstring = "对不起，您的浏览器不支持XMLHttpRequest对象！";}
          }   
   }
   return xmlHttp;
}

//Ajax Loading
function ajaxloading(URL,TO_OBJ)
{
	var strtime = getDataTimes();
	var xmlHttp=CreateXMLHttpRequest();
	xmlHttp.open("GET",URL+"&datatimes="+strtime,true);
	xmlHttp.onreadystatechange = function() 
	{
		$$(TO_OBJ).innerHTML="...";
		if (xmlHttp.readyState == 4 && xmlHttp.status == 200) 
		{
			$$(TO_OBJ).innerHTML  = xmlHttp.responseText;
		}
	}
    xmlHttp.setRequestHeader("If-Modified-Since","0");
    xmlHttp.send(null); 
}
//获得时间
function getDataTimes()
{
	var strDate,strTime;
	strDate = new Date();
	strTime = strDate.getTime();
	return strTime;
}

String.prototype.getQuery = function(name)
{
　　var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
　　var r = this.substr(this.indexOf("\?")+1).match(reg);
　　if (r!=null) return unescape(r[2]); return null;
}


function search()
{
	var get_page_url=window.location.href;
	var search_str=get_page_url.getQuery("search_str");
	if (search_str!="" && search_str!=null)
	{
		ajaxloading("/search_p/?search_str="+escape(search_str),"pcen23");
		//$$("pb2k3_3").innerHTML="";
	}
}


function selectMymenu()
{
	try
	{
		var smm_obj1=$$("Obj1").innerHTML;
		var smm_obj2=$$("Obj2").innerHTML;
		var smm_obj3=$$("Obj3").innerHTML;
		//alert(smm_obj1);
	
		//栏目
		switch(smm_obj1){
		//首页
		case "Index":
			$$("m1").className="menu_1";
			break;
		case "Introduction":
			$$("m2").className="menu_1";
			break;
		case "Honor & Authenticate":
			$$("m2").className="menu_1";
			break;

		case "News":
			$$("m3").className="menu_1";
			break;
		case "Product":
			$$("m4").className="menu_1";
			break;

		case "Drivers":
			$$("m5").className="menu_1";
			break;
		case "Service":
			$$("m6").className="menu_1";
			break;

		case "Contact Us":
			$$("m7").className="menu_1";
			break;
		}


		//左栏
		switch(smm_obj2){
		//首页
		case "Introduction":
			$$("leftM1").className="alm1";
			break;
		case "Honor & Authenticate":
			$$("leftM2").className="alm1";
			break;
		case "Service":
			$$("leftM3").className="alm1";
			break;
		case "Contact Us":
			$$("leftM4").className="alm1";
			break;
		}

		//新闻左栏
		switch(smm_obj3){
		case "Company News":
			$$("news_1").className="alm1";
			break;
		case "Technical Support":
			$$("news_2").className="alm1";
			break;
		case "Help":
			$$("news_3").className="alm1";
			break;
		}
	}
	catch (e){}

}


function checklogin()
{
	ajaxloading("/member_center/?","member_login");
	$$("acen22").innerHTML="Member Center";
}

function login_box()
{
	ajaxloading("/member_center/loginbox.asp?","icen312");
}

//
function loadshopcar()
{
	ajaxloading("/shoping_cart/shoping_cart.asp?","pro_view_1");
}

function shopcar_del(sid)
{
	ajaxloading("/shoping_cart/del.asp?sessionidx="+sid,"pro_view_1");
}