function PopUp(url, simple, report)
{
    if (url != "")
    {

        var width;
        var height;
        var left;
        var top;

        if (simple)
        {
            width = (screen.width * .25);
            height = (screen.height * .25);
            left = (screen.width - width) / 2;
            top = (screen.height - height) / 2;

            if (report) 
            {
                PopUpWindow = window.open(url, null, "scrollbars=yes,resizable=yes,width=1000,height=500,top=100,left=100"); 
            }
            else
            {
                PopUpWindow = window.open(url, null, "scrollbars=yes,resizable=yes,width=500px,height=" + height + ",top=" + top + ",left=" + left);
            }  
        }
        else
        {
            width = (screen.width * .75);
            height = (screen.height * .75);
            left = (screen.width - width) / 2;
            top = (screen.height - height) / 2;

            PopUpWindow = window.open(url, null, "scrollbars=yes,directories=yes,menubar=yes,status=yes,titlebar=yes,toolbar=yes,resizable=yes,width=" + width + ",height=" + height + ",top=" + top + ",left=" + left);
        }

        if (PopUpWindow != null && window.focus)
        {
            PopUpWindow.focus();
        }

        return false;
    }
    
    return false;
}