function checkMsgLength( element ) {
			var lines = 1;
			for (var i = 0; lines <= 20 && i < (element.value).length; i++)
			{
					if ((element.value).charAt(i) == '\n'){ lines++; }
			}
			
			if ( (element.value).length > 1600 || lines > 20) {
					alert ("Message to long. max is 20 lines, please reduce size");
					element.focus();
					return false;
					}
			if ((element.value).length == 0) {
					alert ("Please enter a message");
					element.focus();
					return false;
			
			}
			else { return true; }
	}
	
function isInteger (value)
	{
		return (value == parseInt( value ) );
	}



function validateForm( form ) {
			if ( form["realname"].value == "" ) {
				form["realname"].focus();	
				alert ("Please Enter your name");
				return false;
			}

			if ( form["number"].value!= "" && ! isInteger(form["number"].value)) {
				form["number"].focus();
				alert ("Membership number must be an integer");
				return false;
			}
			if (checkMsgLength(form["message"]) == false) {
				form["message"].focus();	
				return false;
			}
			return true;
	}