function ValidateForm(f){

	with(f){
		if (isEmpty(_2_Name.value)) {
			alert("Please enter your Name");
			_2_Name.focus();
			return false;
		}
	
		if (isEmpty(_4_Email_From.value)) {
			alert("Please enter your Email Address");
			_4_Email_From.focus();
			return false;
		}
		
		if ( !isEmail(_4_Email_From.value) ) {
			alert("Please enter a valid Email Address.");
			_4_Email_From.focus();
			return false;
		}
		
		if (!isEmpty(_5_Phone.value)) {
			if (!IsNumber(_5_Phone.value, true)) {
				alert("Please enter only numbers for your Phone");
				_5_Phone.focus();
				return false;
			}
			
		}
		
	}
	return true;
	
}