// JScript 文件
    
    function searchPurchase()
    {
        
        var typeid=getObj("dpType").value;
        var key=getTrim(getObj("txtKey").value)=="关键字"?"":getTrim(getObj("txtKey").value);    
        
        var path="";
        
        path+=typeid!=""?"ptid="+typeid:"";
        path=path==""?path:path+"&";  
        path+=key!=""?"k="+key:"";
        path=(path.substring(path.length-1)=="&")?path.substring(0,path.length-1):path;   
        //alert(path)     
        if(path!="")
        {
            window.location="?"+encodeURI(path);
        }
    }