function IsFileImage(fileName)
{
	var index = fileName.lastIndexOf(".");
	var extension = fileName.substring(index + 1).toUpperCase();
	return (extension in {'JPG':'','JPEG':'','GIF':'', 'BMP':'','PNG':'','TIFF':''})
}
function openImageWindow(fileId, certificate)
{
	var popupWin = window.open('/DCAAAdmin/NOCFiles/Show_Certificate.aspx?ID=' + fileId + '&CT=' + certificate,'_blank','toolbar=no;menubar=no;status=yes;scrollbars=yes');
	popupWin.focus();
}