function OpenWindow(height, width, scrollbars, url) {
    var myWidth = 0, myHeight = 0;
    if (typeof (window.innerWidth) == 'number') {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
    }

    else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
    }

    else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
    }

    window.open(url, "PrefabWindow", "left=" + (myWidth - 300) + ", top=300, directories=0, height=" + height + ", width=" + width + ", location=0, menubar=0, resizable=1, scrollbars=" + scrollbars + ", status=1, toolbar=0");
}