function search_pro()
{
    var text=document.getElementById("search_name").value;
    if(text=="")
    {
        alert('请输入所要搜索的内容');
    }
    else
    {
        text=escape(text);
        window.location.href="pro-"+text+".aspx";
    }
}
function frompage(drid)
{
    var text=document.getElementById(drid).value;
    window.location.href="product-"+text+".aspx";
}