function Over(obj,classname)
{
    obj.className=classname;
}

function ok()
    {
           var SeaName=document.getElementById("Text1");
           if(SeaName.value.replace(/\s+/,'').length==0)
           {
                          
              alert("搜索关键字不能为空!");  
              SeaName.value='';   
              SeaName.focus();           
              return false;
           }
           else
           {
              window.open("product.aspx?title="+escape(SeaName.value));
              return false;
           }
     }
function open_(obj)
{
   window.location.href=obj;
}