function IsNumeric(sText)
	{
		var ValidChars = "0123456789.";
		var IsNumber=true;
		var Char;
		 
		for (i = 0; i < sText.length && IsNumber == true; i++) 
		{ 
			Char = sText.charAt(i); 
			if (ValidChars.indexOf(Char) == -1) 
			{
				IsNumber = false;
			}
		}
		return IsNumber;
	}

	function displayMailToLink(name,host)
	{
	  document.write('<a href="mailto:' + name + '@' + host + '">' + name + '@' + host + '</a><br>');
	}