var xxk = new function(){
			function ul(id){
					return document.getElementById(id);
				}
				this.card = function(btn){
						var carditem = ul(btn).getElementsByTagName("li");
						var sum = carditem.length;
						for(var i = 0;i<sum;i++){
								carditem[i].onmouseover = (function(i){
								  return function(){
									  	for(var c = 0;c<sum;c++){
												carditem[c].className = "";
												document.getElementById(btn+"_c"+c).style.display = "none";
											}
											carditem[i].className = "onfocus";
											document.getElementById(btn+"_c"+i).style.display = "block";
									  }
								})(i);
							}
					}
		}

/******************************search-box**********************/
var kewords;
var content=new Array();
content[0]="输入关键字找商品";
content[1]="输入关键字找公司";
content[2]="输入关键字找商机";
content[3]="输入关键字找服务";
function search1(num){
	var idlist=document.getElementById("ull").getElementsByTagName("li");
	for(var i=0;i<idlist.length;i++){
		if(i==num){
			idlist[i].className="current";
			document.searchh.txtitle.value=content[i];
		}else{
			idlist[i].className="";	
		}
	}
}
function onfocus2(){
	if(document.searchh.txtitle.value=="请输入关键字找商品"||document.searchh.txtitle.value=="请输入关键字找商机"||document.searchh.txtitle.value=="请输入关键字找服务"||document.searchh.txtitle.value=="请输入关键字找公司")
	{
		document.searchh.txtitle.value="";	
		document.searchh.txtitle.style.color = "black"
	}
}
function onfocus1(){
	kewords=document.searchh.txtitle.value;
	for(var i=0;i<content.length;i++){
		content[i]=	kewords;
		document.searchh.txtitle.value=kewords;
	}
}

function tabChang(num){
	if(num==0)
	{
			document.searchh.txtitle.value="请输入关键字找商品";	
			document.searchh.txtitle.style.color="#999999";
			document.searchh.zhuanti.value="0";
	}
	if(num==1)
	{
			document.searchh.txtitle.value="请输入关键字找公司";	
			document.searchh.txtitle.style.color="#999999";
			document.searchh.zhuanti.value="1";
	}
	if(num==2)
	{
			document.searchh.txtitle.value="请输入关键字找商机";	
			document.searchh.txtitle.style.color="#999999";
			document.searchh.zhuanti.value="2";
	}
	if(num==3)
	{
			document.searchh.txtitle.value="请输入关键字找服务";	
			document.searchh.txtitle.style.color="#999999";
			document.searchh.zhuanti.value="3";
	}	
	
	for(var i = 0;i<4;i++)
		{
				document.getElementById("tag"+i).className = "";
		}
	document.getElementById("tag"+num).className = "current";
	document.getElementById("formtype").value = num+1;
}

function none(){
		document.refer.cont.value = "";
	}