function ValidateForm(f){

	with(f){
		if (isEmpty(_1_Name.value)) {
			alert("Please enter your Name");
			_1_Name.focus();
			return false;
		}
	
		if (isEmpty(_2_Email_From.value)) {
			alert("Please enter your Email Address");
			_2_Email_From.focus();
			return false;
		}
		
		if ( !isEmail(_2_Email_From.value) ) {
			alert("Please enter a valid Email Address.");
			_2_Email_From.focus();
			return false;
		}
		if (isEmpty(_3_Postal_Address.value)) {
			alert("Please enter your Postal Address");
			_3_Postal_Address.focus();
			return false;
		}
		if (isEmpty(_20_Comments.value)) {
			alert("Please enter your Comments");
			_20_Comments.focus();
			return false;
		}		
		
		
		

		
	}
	return true;
	
}