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Zen Cart 源代码 general.js

Zen Cart 源代码 general.js




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文件名: general.js
文件类型: Javascript文件
文件大小: 5.71 KiB
MD5: 81415b9aedae2b2991d3c471a2d9f474

general.js - 关闭高亮
  1. //
  2. // +----------------------------------------------------------------------+
  3. // |zen-cart Open Source E-commerce                                       |
  4. // +----------------------------------------------------------------------+
  5. // | Copyright (c) 2003 The zen-cart developers                           |
  6. // |                                                                      |  
  7. // | http://www.zen-cart.com/index.php                                    |  
  8. // |                                                                      |  
  9. // | Portions Copyright (c) 2003 osCommerce                               |
  10. // +----------------------------------------------------------------------+
  11. // | This source file is subject to version 2.0 of the GPL license,       |
  12. // | that is bundled with this package in the file LICENSE, and is        |
  13. // | available through the world-wide-web at the following url:           |
  14. // | http://www.zen-cart.com/license/2_0.txt.                             |
  15. // | If you did not receive a copy of the zen-cart license and are unable |
  16. // | to obtain it through the world-wide-web, please send a note to       |
  17. // | license@zen-cart.com so we can mail you a copy immediately.          |
  18. // +----------------------------------------------------------------------+
  19. // $Id: general.js 1105 2005-04-04 22:05:35Z birdbrain $
  20. //
  21.  
  22. function SetFocus(TargetFormName) {
  23.   var target = 0;
  24.   if (TargetFormName != "") {
  25.     for (i=0; i<document.forms.length; i++) {
  26.       if (document.forms[i].name == TargetFormName) {
  27.         target = i;
  28.         break;
  29.       }
  30.     }
  31.   }
  32.  
  33.   var TargetForm = document.forms[target];
  34.    
  35.   for (i=0; i<TargetForm.length; i++) {
  36.     if ( (TargetForm.elements[i].type != "image") && (TargetForm.elements[i].type != "hidden") && (TargetForm.elements[i].type != "reset") && (TargetForm.elements[i].type != "submit") ) {
  37.       TargetForm.elements[i].focus();
  38.  
  39.       if ( (TargetForm.elements[i].type == "text") || (TargetForm.elements[i].type == "password") ) {
  40.         TargetForm.elements[i].select();
  41.       }
  42.  
  43.       break;
  44.     }
  45.   }
  46. }
  47.  
  48. function RemoveFormatString(TargetElement, FormatString) {
  49.   if (TargetElement.value == FormatString) {
  50.     TargetElement.value = "";
  51.   }
  52.  
  53.   TargetElement.select();
  54. }
  55.  
  56. function CheckDateRange(from, to) {
  57.   if (Date.parse(from.value) <= Date.parse(to.value)) {
  58.     return true;
  59.   } else {
  60.     return false;
  61.   }
  62. }
  63.  
  64. function IsValidDate(DateToCheck, FormatString) {
  65.   var strDateToCheck;
  66.   var strDateToCheckArray;
  67.   var strFormatArray;
  68.   var strFormatString;
  69.   var strDay;
  70.   var strMonth;
  71.   var strYear;
  72.   var intday;
  73.   var intMonth;
  74.   var intYear;
  75.   var intDateSeparatorIdx = -1;
  76.   var intFormatSeparatorIdx = -1;
  77.   var strSeparatorArray = new Array("-"," ","/",".");
  78.   var strMonthArray = new Array("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec");
  79.   var intDaysArray = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
  80.  
  81.   strDateToCheck = DateToCheck.toLowerCase();
  82.   strFormatString = FormatString.toLowerCase();
  83.  
  84.   if (strDateToCheck.length != strFormatString.length) {
  85.     return false;
  86.   }
  87.  
  88.   for (i=0; i<strSeparatorArray.length; i++) {
  89.     if (strFormatString.indexOf(strSeparatorArray[i]) != -1) {
  90.       intFormatSeparatorIdx = i;
  91.       break;
  92.     }
  93.   }
  94.  
  95.   for (i=0; i<strSeparatorArray.length; i++) {
  96.     if (strDateToCheck.indexOf(strSeparatorArray[i]) != -1) {
  97.       intDateSeparatorIdx = i;
  98.       break;
  99.     }
  100.   }
  101.  
  102.   if (intDateSeparatorIdx != intFormatSeparatorIdx) {
  103.     return false;
  104.   }
  105.  
  106.   if (intDateSeparatorIdx != -1) {
  107.     strFormatArray = strFormatString.split(strSeparatorArray[intFormatSeparatorIdx]);
  108.     if (strFormatArray.length != 3) {
  109.       return false;
  110.     }
  111.  
  112.     strDateToCheckArray = strDateToCheck.split(strSeparatorArray[intDateSeparatorIdx]);
  113.     if (strDateToCheckArray.length != 3) {
  114.       return false;
  115.     }
  116.  
  117.     for (i=0; i<strFormatArray.length; i++) {
  118.       if (strFormatArray[i] == 'mm' || strFormatArray[i] == 'mmm') {
  119.         strMonth = strDateToCheckArray[i];
  120.       }
  121.  
  122.       if (strFormatArray[i] == 'dd') {
  123.         strDay = strDateToCheckArray[i];
  124.       }
  125.  
  126.       if (strFormatArray[i] == 'yyyy') {
  127.         strYear = strDateToCheckArray[i];
  128.       }
  129.     }
  130.   } else {
  131.     if (FormatString.length > 7) {
  132.       if (strFormatString.indexOf('mmm') == -1) {
  133.         strMonth = strDateToCheck.substring(strFormatString.indexOf('mm'), 2);
  134.       } else {
  135.         strMonth = strDateToCheck.substring(strFormatString.indexOf('mmm'), 3);
  136.       }
  137.  
  138.       strDay = strDateToCheck.substring(strFormatString.indexOf('dd'), 2);
  139.       strYear = strDateToCheck.substring(strFormatString.indexOf('yyyy'), 2);
  140.     } else {
  141.       return false;
  142.     }
  143.   }
  144.  
  145.   if (strYear.length != 4) {
  146.     return false;
  147.   }
  148.  
  149.   intday = parseInt(strDay, 10);
  150.   if (isNaN(intday)) {
  151.     return false;
  152.   }
  153.   if (intday < 1) {
  154.     return false;
  155.   }
  156.  
  157.   intMonth = parseInt(strMonth, 10);
  158.   if (isNaN(intMonth)) {
  159.     for (i=0; i<strMonthArray.length; i++) {
  160.       if (strMonth == strMonthArray[i]) {
  161.         intMonth = i+1;
  162.         break;
  163.       }
  164.     }
  165.     if (isNaN(intMonth)) {
  166.       return false;
  167.     }
  168.   }
  169.   if (intMonth > 12 || intMonth < 1) {
  170.     return false;
  171.   }
  172.  
  173.   intYear = parseInt(strYear, 10);
  174.   if (isNaN(intYear)) {
  175.     return false;
  176.   }
  177.   if (IsLeapYear(intYear) == true) {
  178.     intDaysArray[1] = 29;
  179.   }
  180.  
  181.   if (intday > intDaysArray[intMonth - 1]) {
  182.     return false;
  183.   }
  184.  
  185.   return true;
  186. }
  187.  
  188. function IsLeapYear(intYear) {
  189.   if (intYear % 100 == 0) {
  190.     if (intYear % 400 == 0) {
  191.       return true;
  192.     }
  193.   } else {
  194.     if ((intYear % 4) == 0) {
  195.       return true;
  196.     }
  197.   }
  198.  
  199.   return false;
  200. }
  201.  


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