var searchUrl="http://www.zgnyw.com.cn/tradeweb/productlist.aspx";
function changeSearch(s)
{
    //class change
    
    
    //end
    switch(s)
    {
       case 1:
         document.getElementById("SaleClass").style.display="none";
         searchUrl="http://www.zgnyw.com.cn/tradeweb/productlist.aspx";//products search
         changeSearchStyle(1);
         break;
       case 2:
         document.getElementById("SaleClass").style.display="";
       	 searchUrl="http://www.zgnyw.com.cn/tradeweb/supplylist.aspx";//商机
         changeSearchStyle(2);
         break;
       case 3:
         document.getElementById("SaleClass").style.display="none";
         searchUrl="http://www.zgnyw.com.cn/tradeweb/companylist.aspx";//企业
         changeSearchStyle(3);
         break;
       case 4:
         document.getElementById("SaleClass").style.display="none";
         searchUrl="http://www.zgnyw.com.cn/news";//资讯
         changeSearchStyle(4);
         break;
       case 5:
         document.getElementById("SaleClass").style.display="none";
         searchUrl="http://www.zgnyw.com.cn/news/BBS/Index.html";//会展
         changeSearchStyle(5);
         break;
    }
}

function changeSearchStyle(s){
	var idValue = "";
	for(var i=1;i<=5;i++){
		idValue = "searchChose"+i;
		if(s==i)
			document.getElementById(idValue).className = "yes";
		else
			document.getElementById(idValue).className = "";
	}
}

function go(){
	var keys = document.getElementById("keys").value;
	keys = keys.replace(/(^[^\S]+)|([^\S]+$)/g,"");
	if(keys!=""){
		var f = document.getElementById("searchForm");
		f.target = "_blank";
		f.action=searchUrl+"?keyword="+keys;
		window.location = searchUrl+"?keyword="+keys;
	}
	return false;
}
//这个函数在屏蔽资讯类别时无效
function sSaleClassClass(p){
	switch(p)
    {
       case "1":
         searchUrl="http://www.zgnyw.com.cn/tradeweb/productlist.aspx";
         break;
       case "2":
       	 searchUrl="http://www.zgnyw.com.cn/tradeweb/supplylist.aspx";
         break;
       case "3":
         searchUrl="http://www.zgnyw.com.cn/tradeweb/companylist.aspx";
         break;
       default:
         f.action = "http://www.zgnyw.com.cn/";
         break;
    }
}