function checkTel() 
	{
		var telN = document.getElementById('telN').value;
		var ValidChars = "0123456789./()+";
        var IsNumber = true;
        var Char;

        for (i = 0; i < telN.length && IsNumber == true; i++)
            {
                Char = telN.charAt(i);
                if (ValidChars.indexOf(Char) == -1)
                    { 
						IsNumber = false;
					}
            }
			
		if(!IsNumber)
			{
				document.getElementById('telNerror').style.display = 'block';
			}
		else
			{
				document.contactR.submit();
			}
		
        //return IsNumber;
	}