var popupWin;

/***************************************/
/*          eZimageChange()            */
/***************************************/
function eZimageChange(oImg, url, duration)
{ if(oImg && url)
  {	if(document.all)
    { oImg.style.filter="blendTrans(duration="+duration+")";
      oImg.filters.blendTrans.Apply();
    }

  	oImg.src = url;

    if(document.all)
    { oImg.filters.blendTrans.Play();
    }
  }
}

/***************************************/
//         eZclosePopup()
/***************************************/
function eZclosePopup()
{ if(popupWin)
    popupWin.close();
}

/***************************************/
//        openEzImageViewer()
/***************************************/
function openEzImageViewer(addr, alt)
{ eZclosePopup();

  var winwidth  = '600';
  var winheight = '425';

  var ststus   = 'no';
  var scrollbar = 'no';
  var tool_bar  = 'no';

  var leftpos = 0;
  var toppos  = 0;

	if(!leftpos)
	{ var scrwidth  = screen.availWidth
    leftpos= (scrwidth/2) -(winwidth/2);
  }
  if(!toppos)
  { var scrheight = screen.availHeight
    toppos = (scrheight/2)-(winheight/2);
  }

  var url = 'http://www.nuttrees.com/admin/eZeditor/' + 'dialog/imageviewer.php?addr=' + addr
                                                           + '&alt='  + alt;

  popupWin = window.open(
  url
  , 'popupWin'
  , config='width='+winwidth
  +',height='+winheight
  +',left='+leftpos
  +',top='+ toppos
  +',modal=yes' 
  +',toolbar='+tool_bar+', menubar=no, '
  +',scrollbars='+scrollbar+', resizable=yes, '
  +',location=no, directories=no, status=' + ststus );
  
  popupWin.focus();
}