/* $Id: check_required_fields_js.js,v 1.3.2.3 2006/12/25 11:23:19 max Exp $ */



/*

	Check required fields

*/

function checkRequired(lFields, id) {

	if (!lFields || lFields.length == 0)

		return true;



	if (id) {

		for (var x = 0; x < lFields.length; x++) {

			if (lFields[x][0] == id) {

				lFields = [lFields[x]];

				break;

			}

		}

	}



	for (var x = 0; x < lFields.length; x++) {

		if (!lFields[x] || !document.getElementById(lFields[x][0]))

			continue;



		var obj = _getById(lFields[x][0]);

		if ((obj.type == 'text' || obj.type == 'password' || obj.type == 'textarea') && !obj.value.search(/^[\s]*$/gi)) {

			if (lbl_required_field_is_empty != '') {

				alert(substitute(lbl_required_field_is_empty, 'field', lFields[x][1]));

			} else {

				alert(lFields[x][1]);

			}



			if (!obj.disabled && obj.type != 'hidden') {

				checkRequiredShow(obj);

				obj.focus();

			}



			return false;



		}

	}



	return true;

}



/*

	Show hidden element and element's parents

*/

function checkRequiredShow(elm) {

	if (elm.style && elm.style.display == 'none') {



		if (elm.id == 'ship_box' && document.getElementById('ship2diff')) {

			/* Exception for Register page */

			document.getElementById('ship2diff').checked = true;

			document.getElementById('ship2diff').onclick();

			

		} else

			elm.style.display = '';

	}



	if (elm.parentNode)

		checkRequiredShow(elm.parentNode);



}