function doExpressInstall(swfExpressInstall, zwidth, zheight, zDivId, zAlertMessage) {
        var att = {
            data: swfExpressInstall,
            width: zwidth,
            height: zheight
        };
        var par = {
            allowNetworking: "all",
            allowScriptAccess: "always",
            allowFullScreen: "false",
            scale: "noscale",
            wmode: "window",
            devicefont: "false",
            salign: "t"
        };
        if(zAlertMessage==""){
            swfobject.showExpressInstall(
                att,
                par,
                zDivId,
                null
            );
        }else{
            swfobject.showExpressInstall(
                att,
                par,
                zDivId,
                function(){
                    alert(zAlertMessage)
                }
            );
        }
}