if (document.all && /MSIE (5\.5|6)/.test(navigator.userAgent) &&
  document.styleSheets && document.styleSheets[0] && document.styleSheets[0].addRule)
 {
  document.styleSheets[0].addRule('img', 'behavior: url(/core/style/iepngfix.htc)');
  document.styleSheets[0].addRule('div', 'behavior: url(/core/style/iepngfix.htc)');
  document.styleSheets[0].addRule('input', 'behavior: url(/core/style/iepngfix.htc)');
 }


var pPreviousImage = '';
function LoadExternalImage(pLink)
{
     var obj = document.getElementById('_LinksMouseOverImage');
     if(obj != null)
     {
         if(pPreviousImage != ''){pPreviousImage = obj.style.backgroundImage;}
         obj.style.backgroundImage = 'url(' + pLink + ')';
     }
}

function LoadInitialImage()
{
     var obj = document.getElementById('_LinksMouseOverImage');
     if(obj != null)
     {
         obj.style.backgroundImage = pPreviousImage;
     }
}

function WatermarkFocus(txtElem, strWatermark) 
{
   if (txtElem.value == strWatermark) txtElem.value = '';
}

function WatermarkBlur(txtElem, strWatermark) 
{
   if (txtElem.value == '') txtElem.value = strWatermark;
}


function calculateIframeHeight(iframe)
{
    try
    { 
       iframe.height = iframe.contentWindow.document.body.scrollHeight + 150;
    }
    catch(e)
    {
    }
}