function valString(control,regularExpression){
	var ctrl = document.getElementById(control);
	var success = true;
	
	if (ctrl.value == ''){
		return 1;
	}
	else{
		if (regularExpression != ''){
			var re = new RegExp(regularExpression);
			
			success = re.exec(ctrl.value);
			
			if(success)
			{
				return 0;
			}
			else{
				return 2;
			}
		}
		else{
			return 0;
		}
	}
}