/*
  $Id: general.js,v 1.3 2003/02/10 22:30:55 hpdl Exp $
  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com
  Copyright (c) 2003 osCommerce
  Released under the GNU General Public License
*/
  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;
  }
/*
  Copyright (Changes)
  xonic-solutions

  Mail: info@xonic.de
  Web : www.xonic.de

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  Eurova Medienagentur
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*/