function checkNEmail(form) {
		if (isBlank(form.Email.value) || isBlank(form.name.value) || !isEmailValid(form.Email.value) ) 
		{
			alert("Please enter a valid Name and  Email Address .\nThe email or name you have typed in does not appear to be valid.");
			form.Email.focus();
			return false;
		}
		}
	
	function checkEmail(form) {
		if (isBlank(form.Email.value) || !isEmailValid(form.Email.value) ) {
			alert("Please enter a valid Email Address.\nThe email you have typed in does not appear to be valid.");
			form.Email.focus();
			return false;
		}
			if (form.subscribe[0].checked)
			{
				document.inputForm.Mode.value='update';
				document.inputForm.submit();
			}
			else
			{
				document.inputForm.Mode.value='unsubscribe';
				document.inputForm.submit();
			}
		
	return true;
	
	}
		
	function isBlank(fieldValue) {
		var blankSpaces = / /g;
		fieldValue = fieldValue.replace(blankSpaces, "");
		return (fieldValue == "") ? true : false;
	}
	
	function isEmailValid(fieldValue) {
		var emailFilter = /^.+@.+\..{2,4}$/;
		var atSignFound = 0;
		for (var i = 0; i <= fieldValue.length; i++)
			if ( fieldValue.charAt(i) == "@" )
				atSignFound++;
		if ( atSignFound > 1 )
			return false;
		else
			return ( emailFilter.test(fieldValue) && !doesEmailHaveInvalidChar(fieldValue) ) ? true : false;
	}
	
	function doesEmailHaveInvalidChar(fieldValue) {
		var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\] ]/;
		return ( illegalChars.test(fieldValue) ) ? true : false;
	}