document.write("<script language=JavaScript src='http://www.cncard.com/webvar/vars/cnwv4502.js'></script>");
var varid=4502;

var varurl="http://www.cncard.com/mobile/bjyd/purchase/step1.asp";

function gotobuy(cateid){
      window.open(varurl+'?varid='+varid+'&category='+cateid,'win','menubar=0,scrollbars=0,resizable=0,width=450,height=500');
}