function check_data(my_form) {
	var problem = false;
	var alert_msg = "";
	
	//Validate the form
	if(my_form.search.value == ""){
		alert_msg += "No search words/terms were entered in.\n";
		problem = true;
	}
	
	//Return true/false based upon problem.
	if(problem){
		alert(alert_msg);
		return false;
	}else{
		return true;
	}
}