function popOver(url, w, h) {
    var spec = (h && w) ? "toolbar=0,menubar=0,status=1,location=0,scrollbars=1" : "toolbar=1,menubar=1,status=1,location=1,scrollbars=1,resizable=1,";
    if (!h) h = (window.screen) ? window.screen.height : window.outerHeight;
    if (!w) w = (window.screen) ? window.screen.width : window.outerWidth;
    var x = (window.screenX) ? window.screenX : (window.screenLeft) ? window.screenLeft : 100;
    var y = (window.screenY) ? window.screenY : (window.screenTop) ? window.screenTop : 100;
    spec += "top=" + y + ",left=" + x + ",width=" + w + ",height=" + h;
    var ie7 = (window.clientInformation && window.clientInformation.appVersion.indexOf("IE 7") > 0);
    var popName = "popOver_" + String((new Date()).valueOf());
    var pop = (true || !ie7) ? window.open(url, popName, spec, true) : window.open(url);
    return pop;
}

function popUnder(url, w, h) {
    if (!h) h = (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight - 10 : (document.body.clientHeight) ? document.body.clientHeight - 10 : 700;
    if (!w) w = (document.documentElement && document.documentElement.clientWidth) ? document.documentElement.clientWidth - 10 : (document.body.clientWidth) ? document.body.clientWidth - 10 : 950;
    var x = (window.screenX) ? window.screenX : (window.screenLeft) ? window.screenLeft : 100;
    var y = (window.screenY) ? window.screenY : (window.screenTop) ? window.screenTop : 100;
    var spec = "toolbar=1,menubar=1,status=1,location=1,scrollbars=1,resizable=1,";
    spec += "top=" + y + ",left=" + x + ",width=" + w + ",height=" + h;
    var ie7 = (window.clientInformation && window.clientInformation.appVersion.indexOf("IE 7") > 0);
    var popName = "popUnder_" + String((new Date()).valueOf());
    var pop = (true || !ie7) ? window.open("about:blank", popName, spec, true) : window.open("about:blank");
    if (pop) pop.blur();
    self.focus();

    pop.Init = function (e) {
        with (e) {
            this.Params = e.Params;
            this.Main = function () {
                if (typeof window.mozPaintCount != "undefined") {
                    var x = this.window.open("about:blank");
                    x.close();
                }
                var popURL = this.Params.PopURL;
                try {
                    opener.window.focus();
                } catch (err) { }
                window.location = popURL;
            };
            this.Main();
        }
    };

    pop.Params = {
        PopURL: url
    };

    pop.Init(pop);

    return pop;
}