function openWindow(url,sFeature)
{
    var browser=navigator.appName;
    if(browser == "Netscape")
    {
        window.open(url,"",sFeature);
    }
    else if(browser == "Microsoft Internet Explorer")
    {
        window.showModelessDialog(url,"",sFeature);
    }
}

function ForceWindow ()
{
    this.r = document.documentElement;
    this.f = document.createElement("FORM");
    this.f.target = "_blank";
    this.f.method = "post";
    this.r.insertBefore(this.f, this.r.childNodes[0]);
}
ForceWindow.prototype.open = function (sUrl)
{
    this.f.action = sUrl;
    this.f.submit();
}
var myWindow = new ForceWindow();