var src;
src = "http://www.bizDocs.com/BannerManagement/adserverpage.aspx?";

if (bannerid.length != 0)
    src = src + "bannerid=" + bannerid + "&"
if (cityid.length != 0)
    src = src + "cityid=" + cityid + "&"
if (subcatid.length != 0)
    src = src + "subcatid=" + subcatid + "&"
if (requestid.length != 0)
    src = src + "requestid=" + requestid + "&"
    
if (typeid.length != 0)
    src = src + "typeid=" + typeid
else
    src = src + "typeid=H"

var objFrame = document.getElementById(frmid);
objFrame.src = src;