//首页判断
function check()
{
	if(Trim(form111.hy_name.value)=="")
	{
		alert("请输入用户名！");
		form111.hy_name.focus();
		return false;
	}
	if(Trim(form111.hy_password.value)=="")
	{
		alert("请输入密码！");
		form111.hy_password.focus();
		return false;
	}
}
function img(div_name,img_name)
 {
	document.getElementById(div_name).src="../images/"+img_name+"_hover.jpg";
 }
 function img2(div_name,img_name)
 {
	document.getElementById(div_name).src="../images/"+img_name+".jpg";
 }
//判断首页搜索提交
function tijiao()
{
	if(Trim(search.keyword.value)=="")
	{
		alert("搜索内容不能为空");
		search.keyword.focus();
		return false;
	}
	if(search.typeid.value==0)
	{
		alert("搜索频道没有选择");
		search.typeid.focus();
		return false;
	}
	if(Trim(search.keyword.value)!=""&&search.typeid.value!=0)
	{
		if(Trim(search.typeid.value)==1)
		{
			document.search.action="http://zixun.uni-play.net/";
		}
		else if(Trim(search.typeid.value)==2)
		{
			document.search.action="http://xuanling.uni-play.net/";
		}
		else if(Trim(search.typeid.value)==3)
		{
			document.search.action="../Action/index.do?type=search&skey="+search.keyword.value;
		}
		else if(Trim(search.typeid.value)==4)
		{
			document.search.action="../Group/index.do?keyword="+search.keyword.value;
		}
		else
		{
			document.search.action="exchange/index.do?prodname="+search.keyword.value;	
		}
		
	}
}