/*
  $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;
}
function couponpopupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=400,height=400,screenX=150,screenY=150,top=150,left=150')
}

function rowOverEffect(object) {
  if (object.className == 'dataTableRow') object.className = 'dataTableRowOver';
}

function rowOutEffect(object) {
  if (object.className == 'dataTableRowOver') object.className = 'dataTableRow';
}
/* Added for AJAX support in state and country drop downs */
var req; 
function loadXMLDoc(key) {
   var url="state_dropdown.php?CLCid=<?php echo tep_session_id();?>&jsenabled=1&country="+key;
   getObject("states").innerHTML = '&nbsp;<img style="vertical-align:middle" src="images/loading.gif">Please wait...';
   try { req = new ActiveXObject("Msxml2.XMLHTTP"); } 
   catch(e) { 
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch(oc) { req = null; } 
   } 
   if (!req && typeof XMLHttpRequest != "undefined") { req = new XMLHttpRequest(); } 
   if (req != null) {
      req.onreadystatechange = processChange; 
      req.open("GET", url, true); 
      req.send(null); 
   } 
} 
function loadXMLDocShip(key) {
   var url="shipping_state_dropdown.php?CLCid=<?php echo tep_session_id();?>&jsenabled=1&shipping_country="+key;
   getObject("shipping_states").innerHTML = '&nbsp;<img style="vertical-align:middle" src="images/loading.gif">Please wait...';
   try { req = new ActiveXObject("Msxml2.XMLHTTP"); } 
   catch(e) { 
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch(oc) { req = null; } 
   } 
   if (!req && typeof XMLHttpRequest != "undefined") { req = new XMLHttpRequest(); } 
   if (req != null) {
      req.onreadystatechange = processChangeShip; 
      req.open("GET", url, true); 
      req.send(null); 
   } 
} 
function loadXMLDocCounty(key) {
   var url="county_dropdown.php?CLCid=<?php echo tep_session_id();?>&jsenabled=1&zip="+key;
   getObject("county").innerHTML = '&nbsp;<img style="vertical-align:middle" src="images/loading.gif">Please wait...';
   try { req = new ActiveXObject("Msxml2.XMLHTTP"); } 
   catch(e) { 
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch(oc) { req = null; } 
   } 
   if (!req && typeof XMLHttpRequest != "undefined") { req = new XMLHttpRequest(); } 
   if (req != null) {
      req.onreadystatechange = processChangeCounty; 
      req.open("GET", url, true); 
      req.send(null); 
   } 
} 
function loadXMLDocCS(key) {
   var url="shipping_county_dropdown.php?CLCid=<?php echo tep_session_id();?>&jsenabled=1&ship_zip="+key;
   getObject("shipping_county").innerHTML = '&nbsp;<img style="vertical-align:middle" src="images/loading.gif">Please wait...';
   try { req = new ActiveXObject("Msxml2.XMLHTTP"); } 
   catch(e) { 
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch(oc) { req = null; } 
   } 
   if (!req && typeof XMLHttpRequest != "undefined") { req = new XMLHttpRequest(); } 
   if (req != null) {
      req.onreadystatechange = processChCS; 
      req.open("GET", url, true); 
      req.send(null); 
   } 
} 
function processChange() { 
   if (req.readyState == 4 && req.status == 200) { 
      getObject("states").innerHTML = req.responseText;
      //document.account.state.focus();
   } 
} 

function processChangeShip() { 
   if (req.readyState == 4 && req.status == 200) { 
      getObject("shipping_states").innerHTML = req.responseText;
      //document.account.state.focus();
   } 
} 

function processChangeCounty() { 
   if (req.readyState == 4 && req.status == 200) { 
      getObject("county").innerHTML = req.responseText;
      //document.account.state.focus();
   } 
} 

function processChCS() { 
   if (req.readyState == 4 && req.status == 200) { 
      getObject("shipping_county").innerHTML = req.responseText;
      //document.account.state.focus();
   } 
} 

function getObject(name) { 
   var ns4 = (document.layers) ? true : false; 
   var w3c = (document.getElementById) ? true : false; 
   var ie4 = (document.all) ? true : false; 

   if (ns4) return eval('document.' + name); 
   if (w3c) return document.getElementById(name); 
   if (ie4) return eval('document.all.' + name); 
   return false; 
}
/* Added for AJAX support in state and country drop downs */

/* These functions are used to display and hide objects on the screen */
function HideContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
}
function HideAll(d) {
for (i = 1; i <= d; i++)
{
  name = "number" + i;
  HideContent(name);
}
}