var formObj = "";
var error_message = "";

/********************************************************
 * Last modified: 7-28-08
 ********************************************************/
function check_input(field_name, field_size) {
	if (formObj.elements[field_name] && (formObj.elements[field_name].type != "hidden")) {
		var field_value = formObj.elements[field_name].value;
		
		if(field_value.length == 0){
			return "empty";
		}
		else if(field_value.length < field_size){
			return "short";
		}
		else if (field_value.length >= field_size) {
			return "passed";
		}
		else
			return "empty";
	}
}


/********************************************************
 * Last modified: 1-20-09
 ********************************************************/
function check_search(form_name) {

	formObj = form_name;
	
	check1 = check_input("qsearch_manu", 3);
	check2 = check_input("qsearch_name", 3);
	check3 = check_input("qsearch_id", 3);
	
	if(check1 == "short" || check2 == "short" || check3 == "short")
		error_message = "Search keywords need to be at least 3 characters long.";
	else if(check1 == "empty" && check2 == "empty" && check3 == "empty")
		error_message = "At least one search field is required to search.";
	else
		return true;
		
	alert(error_message);
	return false;
}