function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
    {
       var arVersion = navigator.appVersion.split("MSIE")
       var version = parseFloat(arVersion[1])
       if ((version >= 5.5) && (document.body.filters)) 
       {
          for(var i=0; i<document.images.length; i++)
          {
             var img = document.images[i]
             var imgName = img.src.toUpperCase()
             if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
             {
                var imgID = (img.id) ? "id='" + img.id + "' " : ""
                var imgClass = (img.className) ? "class='" + img.className + "' " : ""
                var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
                var imgStyle = "display:inline-block;" + img.style.cssText 
                if (img.align == "left") imgStyle = "float:left;" + imgStyle
                if (img.align == "right") imgStyle = "float:right;" + imgStyle
                if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
                var strNewHTML = "<span " + imgID + imgClass + imgTitle
                + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
                img.outerHTML = strNewHTML
                i = i-1
             }
          }
       }    
    }


function popup(url, name, width, height, title, scroll)
{

    if(!width)
        width = 400;
    
    if(!height)
        height = 400;
    
    var features = "width=" + width + ",height=" + height + ",menubar=0,status=0,toolbar=no,scrollbars=" + scroll;
    window.open(url, title, features);

}
function popupVideo(swfUrl, skinUrl, flvUrl, name, width, height, title)
{
    url = "/videoplayer.aspx?swfSrc=" + swfUrl + "&flvSrc=" + flvUrl + "&skinSrc=" + skinUrl + "&title=" + title;

    if(!width)
        width = 400;
    
    if(!height)
        height = 400;
    
    var features = "width=" + width + ",height=" + height + ",menubar=0,status=0,toolbar=no, scrollbars=no";
    window.open(url, "VideoPlayer", features);

}

function SetPoll(hiddenField, id)
{
    var obj = document.getElementById(hiddenField);
    obj.value = id;
}
    
function CheckPoll(hiddenField)
{
    var obj = document.getElementById(hiddenField);
    if(obj.value != "" && obj.value != null)
        return true;
    else
        return false;
}