//
// +----------------------------------------------------------------------+
// |zen-cart Open Source E-commerce |
// +----------------------------------------------------------------------+
// | Copyright (c) 2003 The zen-cart developers |
// | |
// | http://www.zen-cart.com/index.php |
// | |
// | Portions Copyright (c) 2003 osCommerce |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the GPL license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available through the world-wide-web at the following url: |
// | http://www.zen-cart.com/license/2_0.txt. |
// | If you did not receive a copy of the zen-cart license and are unable |
// | to obtain it through the world-wide-web, please send a note to |
// | license@zen-cart.com so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// $Id: general.js 1105 2005-04-04 22:05:35Z birdbrain $
//
function SetFocus(TargetFormName) {
var target = 0;
if (TargetFormName != "") {
for (i=0; i<document.forms.length; i++) {
if (document.forms[i].name == TargetFormName) {
target = i;
break;
}
}
}
var TargetForm = document.forms[target];
for (i=0; i<TargetForm.length; i++) {
if ( (TargetForm.elements[i].type != "image") && (TargetForm.elements[i].type != "hidden") && (TargetForm.elements[i].type != "reset") && (TargetForm.elements[i].type != "submit") ) {
TargetForm.elements[i].focus();
if ( (TargetForm.elements[i].type == "text") || (TargetForm.elements[i].type == "password") ) {
TargetForm.elements[i].select();
}
break;
}
}
}
function RemoveFormatString(TargetElement, FormatString) {
if (TargetElement.value == FormatString) {
TargetElement.value = "";
}
TargetElement.select();
}
function CheckDateRange(from, to) {
if (Date.parse(from.value) <= Date.parse(to.value)) {
return true;
} else {
return false;
}
}
function IsValidDate(DateToCheck, FormatString) {
var strDateToCheck;
var strDateToCheckArray;
var strFormatArray;
var strFormatString;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var intDateSeparatorIdx = -1;
var intFormatSeparatorIdx = -1;
var strSeparatorArray = new Array("-"," ","/",".");
var strMonthArray = new Array("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec");
var intDaysArray = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
strDateToCheck = DateToCheck.toLowerCase();
strFormatString = FormatString.toLowerCase();
if (strDateToCheck.length != strFormatString.length) {
return false;
}
for (i=0; i<strSeparatorArray.length; i++) {
if (strFormatString.indexOf(strSeparatorArray[i]) != -1) {
intFormatSeparatorIdx = i;
break;
}
}
for (i=0; i<strSeparatorArray.length; i++) {
if (strDateToCheck.indexOf(strSeparatorArray[i]) != -1) {
intDateSeparatorIdx = i;
break;
}
}
if (intDateSeparatorIdx != intFormatSeparatorIdx) {
return false;
}
if (intDateSeparatorIdx != -1) {
strFormatArray = strFormatString.split(strSeparatorArray[intFormatSeparatorIdx]);
if (strFormatArray.length != 3) {
return false;
}
strDateToCheckArray = strDateToCheck.split(strSeparatorArray[intDateSeparatorIdx]);
if (strDateToCheckArray.length != 3) {
return false;
}
for (i=0; i<strFormatArray.length; i++) {
if (strFormatArray[i] == 'mm' || strFormatArray[i] == 'mmm') {
strMonth = strDateToCheckArray[i];
}
if (strFormatArray[i] == 'dd') {
strDay = strDateToCheckArray[i];
}
if (strFormatArray[i] == 'yyyy') {
strYear = strDateToCheckArray[i];
}
}
} else {
if (FormatString.length > 7) {
if (strFormatString.indexOf('mmm') == -1) {
strMonth = strDateToCheck.substring(strFormatString.indexOf('mm'), 2);
} else {
strMonth = strDateToCheck.substring(strFormatString.indexOf('mmm'), 3);
}
strDay = strDateToCheck.substring(strFormatString.indexOf('dd'), 2);
strYear = strDateToCheck.substring(strFormatString.indexOf('yyyy'), 2);
} else {
return false;
}
}
if (strYear.length != 4) {
return false;
}
intday = parseInt(strDay, 10);
if (isNaN(intday)) {
return false;
}
if (intday < 1) {
return false;
}
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
for (i=0; i<strMonthArray.length; i++) {
if (strMonth == strMonthArray[i]) {
intMonth = i+1;
break;
}
}
if (isNaN(intMonth)) {
return false;
}
}
if (intMonth > 12 || intMonth < 1) {
return false;
}
intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
return false;
}
if (IsLeapYear(intYear) == true) {
intDaysArray[1] = 29;
}
if (intday > intDaysArray[intMonth - 1]) {
return false;
}
return true;
}
function IsLeapYear(intYear) {
if (intYear % 100 == 0) {
if (intYear % 400 == 0) {
return true;
}
} else {
if ((intYear % 4) == 0) {
return true;
}
}
return false;
}