利用XMLHTTP传递参数在另一页面执行并刷新本页

function DelInfo( SaleBillID ) 
   { 
    if( confirm(是否真的要删除当前记录？) ) 
    { 
     var objXMLHTTP = new ActiveXObject(MICROSOFT.XMLHTTP); 
     objXMLHTTP.open(GET, Sale_ListInfo_Del.aspx?SaleBillID=+ SaleBillID, false); 
     objXMLHTTP.send(); 
     var ReturnHtml = objXMLHTTP.ResponseText; 
     if( ReturnHtml == ) location.href( location.href ); 
     else alert( ReturnHtml ); 
    } 
   } 

 <a href='javascript:DelInfo(164)'> 删除</a>