function onError(form_object, input_object, object_value, error_message, object_type) {

	alert(error_message);

	if(object_type != null && object_type == 'text')

		input_object.select();

	else

		input_object.focus();

	return false;	

}



				

function hasValue(obj, obj_type) {

	var i = 0;

	if (obj_type == "TEXT" || obj_type == "PASSWORD") {

	 	if (obj.value.length == 0) 

			return false;

		else 

			return true;

 	

	} else if (obj_type == "SELECT") {



		for (i=0; i < obj.length; i++) {

			if (obj.options[i].selected && obj.options[i].value.length > 0)

				return true;

		}

		

		/* 

		if(obj.options[obj.options.selectedIndex].value.length > 0) {

			return true;

		}

		*/



	   	return false;	



	} else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")	{

		if (obj.checked)

			return true;

		else

	   		return false;	

	} else if (obj_type == "RADIO" || obj_type == "CHECKBOX") {

		for (i=0; i < obj.length; i++) {

			if (obj[i].checked)

				return true;

		}

		return false;	

	} else if (obj_type == "MULTISELECT") {

	    for (i=0; i < obj.options.length; i++) {

			if (obj.options[i].selected)

				return true;

		}

		return false;	

	}

	return true;

}

				

function checkInteger(object_value) {

	if (object_value.length == 0)

		return true;



	/* Returns true if value is an integer defined as

	   having an optional leading + or -.

	   otherwise containing only the characters 0-9. */

	var decimal_format = ".";

	var check_char;

	

	/* The first character can be + -  blank or a digit. */

	check_char = object_value.indexOf(decimal_format);

	/* Was it a decimal? */

	if (check_char < 1)

		return checkNumber(object_value);

	else

		return false;

}



function checkNumber(object_value) {

	/* Returns true if value is a number or is NULL

	   otherwise returns false */

	

  if (object_value.length == 0)

	  return true;

	

	/* Returns true if value is a number defined as

	   having an optional leading + or -.

	   having at most 1 decimal point.

	   otherwise containing only the characters 0-9. */

	var start_format = " .+-0123456789";

	var number_format = " .0123456789";

	var check_char;

	var decimal = false;

	var trailing_blank = false;

	var digits = false;

	

	/* The first character can be + - .  blank or a digit. */

	check_char = start_format.indexOf(object_value.charAt(0));

	/* Was it a decimal? */

	if (check_char == 1)

		decimal = true;

	else if (check_char < 1)

		return false;

			

	/* Remaining characters can be only . or a digit, but only one decimal. */

	for (var i = 1; i < object_value.length; i++)	{

		check_char = number_format.indexOf(object_value.charAt(i));

	

		if (check_char < 0)

			return false;

		else if (check_char == 1)	{

			if (decimal)		/* Second decimal. */

				return false;

			else

				decimal = true;

	

		}	else if (check_char == 0)	{

	

			if (decimal || digits)	

				trailing_blank = true;

			/* ignore leading blanks */

	

		} else if (trailing_blank)

			return false;

		else

			digits = true;

	}	

	/* All tests passed, so... */

	return true

}



function checkZip(object_value) {



	if (object_value.length == 0)

		return true;

			

	if (object_value.length != 5 && object_value.length != 10)

		return false;

	

	/* make sure first 5 digits are a valid integer */

	if (object_value.charAt(0) == "-" || object_value.charAt(0) == "+")

		return false;

	

	if (!checkInteger(object_value.substring(0,5)))

		return false;

	

	if (object_value.length == 5)

		return true;

		

	/* make sure */

	

	/* check if separator is either a'-' or ' ' */

	if (object_value.charAt(5) != "-" && object_value.charAt(5) != " ")

		return false;

	

	/* check if last 4 digits are a valid integer */

	if (object_value.charAt(6) == "-" || object_value.charAt(6) == "+")

		return false;

	

	return (checkInteger(object_value.substring(6,10)));

}



function checkEmail(object_value) {

	if (object_value.length == 0)

		return true;

	

	object_value = object_value.toLowerCase();

	if (object_value.search(/^[-\w]+([\._-]?[-\w]+)*@\w+([\.-]?\w+)*\.(\w{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum))$/) != -1) 

//	if (object_value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) 

		return true;

	

	return false;

}