var isIE = document.all ? 1 : 0;
var userAgent = navigator.userAgent.toLowerCase();
var isMac = (userAgent.indexOf("Mac") > -1);
var isWin = (userAgent.indexOf("Win") > -1);
var isSafari = (userAgent.indexOf("Safari") > -1);
var DOM  = ((document.getElementById) && (!isIE)) ? 1 : 0;
var isNS = document.layers ? 1 : 0;
  
var swcChildWinB;
var isChildWinOpen = false;
var isLoading = false;

var isChildBeingOpen = false;
var isSelfBeingClose = false;

var testQueryFocus = false; 
var testEmailFocus = false;
var testMsgFocus = false;
var testDetailFocus = false;

var xCord = 0;
var yCord = 0;
var xCorddp = 0; 
var yCorddp = 0;

var editActiveLayer = 0;
var activeRepeatLayer = 5;
var activeSearchLayer = 11;

function updateIsChildWinOpenVar(newVal)
{
    isChildWinOpen = newVal;
}

function checkChildWinOpen()
{
    return isChildWinOpen;
}

function checkChildWindowsOpen() 
{
  var timeOut = 100;
  if (isIE && isMac)
  {
      timeOut = 400;
  }
  type = typeof swcChildWin;
  if (type != "undefined") 
  {
    window.setTimeout("checkChildWindowsOpen2()", timeOut);
  }
  type = typeof swcChildWinB;
  if (type != "undefined") 
  {
    window.setTimeout("checkChildWindowsOpenB2()", timeOut);
  }
  return true;
}

function checkChildWindowsOpen2() 
{
  type = typeof swcChildWin;
  if (type != "undefined") 
  {
    if (!(swcChildWin.closed)) 
    {
      swcChildWin.focus();
    }
  }
  return true;
}

function onUnloadCloaseChildWindow() 
{
  type = typeof swcChildWin; 
  if (type != "undefined") 
  { 
      if (!(swcChildWin.closed)) 
      {
          isChildBeingOpen = false;
          swcChildWin.close(); 
      }
  }

  type = typeof swcChildWinB;
  if (type != "undefined") 
  {
    if (!(swcChildWinB.closed)) 
    {
      swcChildWinB.onUnloadCloaseChildWindow();
      swcChildWinB.close();
    }
  }
  return true;
}

function closeChildWin()
{
    if (isChildBeingOpen)
    {
       return checkChildWindowsOpen();
    }
    type = typeof swcChildWin; 
    if (type != "undefined") 
    { 
        if (!(swcChildWin.closed)) 
        {
            swcChildWin.close(); 
        }
    }
    return true; 
}

function closeOpenWindow()
{
    if (opener.focus)
        opener.focus();
    self.close();
    return true;
}

function checkChildWindowsOpenB2()
{
    type = typeof swcChildWinB;
    if (type != "undefined")
    {
        if (!(swcChildWinB.closed))
        {
            swcChildWinB.focus();
        }
    }
    return true;
}

function openUrl(url, name)
{
    isChildBeingOpen = true;

    if (isIE)
    { 
        var xPos = self.screenLeft + 10;
        var yPos = self.screenTop + 10;
    } 
    else
    {
        var xPos = self.screenX + 10;
        var yPos = self.screenY + 10;
    }
    
    var winProp = setWinProperties(xPos, yPos, 0, 0, true, true, true, 
                                   true, false);
    var helpwin = window.open(url,name,winProp);

    isChildBeingOpen = false;
    return false;
}

function setWinProperties(xPos, yPos, width, height, isDependent, putToolbar,
                          putScrollbar, isResizable, putStatusBar)
{
    var winProp = "screenX=";
    winProp += xPos.toString();
    winProp += ",screenY=";
    winProp += yPos.toString();
    winProp += ",left=";
    winProp += xPos.toString();
    winProp += ",top=";
    winProp += yPos.toString();

    if (width > 0)
    {
        winProp += ",Width=";
        winProp += width.toString();
    }

    if (height > 0)
    {
        winProp += ",Height=";
        winProp += height.toString();
    }

    if (putToolbar)
        winProp += ",toolbar=yes";
    else
        winProp += ",toolbar=no";

    if (putScrollbar)
        winProp += ",scrollbars=yes";
    else
        winProp += ",scrollbars=no";

    if (isResizable)
        winProp += ",resizable=yes";
    else 
        winProp += ",resizable=no";

    if (putStatusBar)
        winProp += ",status=yes";
    else
        winProp += ",status=no";

    if (isDependent)
        winProp += ",dependent";
 
    return winProp;
}

function isNumeric(s) 
{
  for(var i = 0; i < s.length; ++i) 
  {
      var c = s.charAt(i);
      if ((c < '0') || c > '9') { return false; }
  }
  return true;
}

function RemoveSpace(numStr) 
{
  var retVal = numStr;
  var tmpVal = numStr;
  for(var i = 0; i < tmpVal.length && tmpVal.charAt(i) == ' '; ++i) {} 
  if (i < tmpVal.length) 
  {
    retVal = tmpVal.substring(i, tmpVal.length);
    tmpVal = retVal;
  }
  for(i = tmpVal.length-1; i > 0 && tmpVal.charAt(i) == ' '; --i) {}
  if (i >= 0) 
  {
    retVal = tmpVal.substring(0, i+1);
    tmpVal = retVal;
  }
  if (isNumeric(tmpVal))
     retVal = tmpVal;
  else
     retVal = numStr;
  return retVal;
}

function findMouseCord(evt) 
{
  if ((isNS) || (DOM)) 
  {
     xCord  = evt.pageX;
     yCord  = evt.pageY;
     xCorddp = evt.screenX; 
     yCorddp = evt.screenY;
  } 
  else if (isIE)
  {
     xCord = event.x;
     yCord = event.y;
     xCorddp = event.screenX; 
     yCorddp = event.screenY;
  } 
} 

function initMouseClicks()
{
    if (document.layers)
    {
        document.captureEvents(Event.MOUSEMOVE);
    }
    document.onmousemove = findMouseCord;
}

function openDatePicker(url, theForm, dayName, monthName, yearName, width, dependent) 
{ 
    if (checkChildWinOpen()) 
    { 
        return false; 
    } 
    updateIsChildWinOpenVar(true); 
    isChildBeingOpen = true;

    if (isIE) 
    { 
        findMouseCord(document.onmousemove);
    }
    xCord = xCorddp + 20; 
    yCord = yCorddp - 112;
    dayDate = eval(theForm + "." + dayName + ".value");
    monthDate = eval(theForm + "." + monthName + ".selectedIndex+1"); 
    yearDate = eval(theForm + "." + yearName + ".value"); 
    url += "&date=" + yearDate 
           + "/" + monthDate 
           + "/" + dayDate; 
    var winProp = setWinProperties(xCord, yCord, width, 260, dependent, false,
                                   false, false, false, false);
    var name = "SWC_ChildWin"; 
    type = typeof swcChildWin; 
    if (type != "undefined") 
    {
        if (swcChildWin.closed)
        {
            swcChildWin = window.open(url,name,winProp);
        }
    }
    else 
    { 
        swcChildWin = window.open(url,name,winProp); 
    }
    swcChildWin.focus();
    return true; 
}

function openTimePicker(url, yPosition, isDependent)
{ 
    if (checkChildWinOpen())
    { 
        return false; 
    }
     
    updateIsChildWinOpenVar(true);
    isChildBeingOpen = true;

    if (isIE)
    { 
        findMouseCord(document.onmousemove);
    }
    xCord = xCorddp + 20; 
    yCord = yCorddp - yPosition;
    var winProp = setWinProperties(xCord, yCord, 215, 245, isDependent, false,
                                   false, false, false); 
    var name = "SWC_ChildWin"; 
    type = typeof swcChildWin; 
    if (type != "undefined") 
    { 
        if (swcChildWin.closed) 
        { 
            swcChildWin = window.open(url,name,winProp); 
        } 
    }
    else 
    { 
        swcChildWin = window.open(url,name,winProp); 
    } 
    swcChildWin.focus(); 
    return true; 
} 

function validate_TEXTAREA_Limit(fieldId, warnVarId, maxsize, alertMsg, 
                                 removeFocus) 
{
   if ((document.getElementById(fieldId).value.length >= maxsize) 
       && (document.getElementById(warnVarId).value == "on") ) 
   {
     document.getElementById(warnVarId).value = "off"; 
     alert(alertMsg); 
     document.getElementById(fieldId).focus(); 
     return false; 
   }
   
   if (removeFocus) 
   { 
      if (fieldId == 'owcIVarEmailAddress') 
      { 
          unsetFieldFocus(3); 
      } 
      else if (fieldId == 'owcIVarEmailText') 
      { 
          unsetFieldFocus(2); 
      } 
      else if (fieldId == 'owcIVarDetails') 
      { 
          unsetFieldFocus(1); 
      } 
   } 
   return true; 
} 

function setFieldFocus(field)
{
    if (field == 0)
        testQueryFocus = true;
    else if (field == 1)
        testDetailFocus = true;
    else if (field == 2)
        testMsgFocus = true;
    else if (field == 3)
        testEmailFocus = true;
    return false;
}

function unsetFieldFocus(field)
{
    if (field == 0)
        testQueryFocus = false;
    else if (field == 1)
        testDetailFocus = false;
    else if (field == 2)
        testMsgFocus = false;
    else if (field == 3)
        testEmailFocus = false;
    return false;
}

function CST_MakeLayerObj(childLayer, parentLayer)
{
    if (DOM)
    {
        parentLayer = document.createElement('div');
        parentLayer.id = childLayer;
        document.body.appendChild(parentLayer);
        return childLayer;
    }
    else
    {
        parentLayer = (!parentLayer) ? '':'document.'+parentLayer+'.';
        this.css = (isNS) ? eval(parentLayer+'document.'+childLayer)
                   :eval('document.all.'+childLayer+'.style');
        this.scrollHeight = isNS ? this.css.document.height 
                           :eval('document.all.'+childLayer+'.offsetHeight');
        this.top=(isNS)?eval(this.css.top):eval(this.css.pixelTop);
        return this;
    }
}

function setChildWinStatus(isOpened, hasChildren) 
{
    type = typeof opener;
    if (   (isIE && type != "undefined") 
	    || (!isIE && opener))
    {
        if ((typeof opener.isChildWinOpen) == "boolean")
        {
            opener.updateIsChildWinOpenVar(isOpened);
        }
        if ((typeof opener.isChildBeingOpen) == "boolean")
        {
            if (isOpened == false)
                opener.isChildBeingOpen = false;
        }
    }
    if (hasChildren && (isOpened == false)) 
    {
      isSelfBeingClose = true;
      onUnloadCloaseChildWindow();
    }
    return true;
} 

function truncateField(alertMsg, fieldId, maxLength, removeFocus)
{
    var testArray = document.getElementById(fieldId).value;
    var charSize = 0;
    var arraySize = 0;
    var currIndex = 0;
    var truncatedString = "";

    var currChar = testArray.charCodeAt(currIndex);

    while (currChar && (arraySize <= maxLength))
    {
        charSize = getBytesInChar(currChar);
        arraySize = arraySize + charSize;

        if (arraySize <= maxLength)
        {
			if (currChar == '13')
			{
				// don't count the carriage return only presented in IE
				arraySize = arraySize - charSize;
			}
			else
			{
				truncatedString = truncatedString + testArray.charAt(currIndex);
			}
        }

        currIndex++;
        currChar = testArray.charCodeAt(currIndex);
    }

    if (arraySize > maxLength)
    {
        alert(alertMsg);
        document.getElementById(fieldId).value = truncatedString;
        document.getElementById(fieldId).focus();
        return false;
    }

    if (removeFocus) 
    { 
        if (fieldId == 'owcIVarEmailAddress') 
        { 
            unsetFieldFocus(3); 
        } 
        else if (fieldId == 'owcIVarEmailText') 
        { 
            unsetFieldFocus(2); 
        } 
        else if (fieldId == 'owcIVarDetails') 
        { 
            unsetFieldFocus(1); 
        } 
    }  
 
    return true;
}

function getBytesInChar(codeChar)
{
     var charSize = 0;
     if ((codeChar >= 0) && (codeChar <= 127))
          charSize = 1;
     else if ((codeChar >= 128) && (codeChar <= 2047))
          charSize = 2;
     else if (codeChar >= 2048)
          charSize = 3;
     return charSize;
}

function setViewGridChildWinStatus(isOpened, hasChildren, IE_viewGridId, DOM_viewGridId, viewGridClass) 
{  
    if(!isOpened && isIE)
    {  
       var tmp= IE_viewGridId + "='" + viewGridClass + "';";
    } 

    var tmp = "opener.document.getElementById('" + DOM_viewGridId + "').className ='" + viewGridClass + "';";

    var type = typeof opener;
    
    if (isIE)
    {
        if (   (type == "object")
            && ((typeof opener.isSelfBeingClose) == "boolean"))
        { 
            if (opener.isSelfBeingClose == false)
               eval(tmp);
        }
    }
    else
    {
        if (opener && ((typeof opener.isSelfBeingClose) == "boolean"))
        {
            if (opener.isSelfBeingClose == false)
               eval(tmp);
        }
    }

    if (opener) 
    {
        if ((typeof opener.isChildBeingOpen) == "boolean")
           opener.isChildBeingOpen = false;
        setChildWinStatus(isOpened, hasChildren);
    }

    return true;
}

function normalKeyPress() {return true;}

function ignoreEnterKey(e)
{
   var keycode; 

   if (window.event)
     keycode = window.event.keyCode;
   else if (e)
     keycode = e.which;
   else
     return true;

   if (keycode == 13) 
   {
     if (document.entryedit_form)
     {
         if (testQueryFocus == true) {return false;}
         if (testDetailFocus == true) {return true;}
         if (testMsgFocus == true) {return true;}
         if (testEmailFocus == true) {return true;}
     }
     return false;
   }
   return true;
}

function onButtonFocus() {document.onkeypress = normalKeyPress;}

function onButtonBlur() {document.onkeypress = ignoreEnterKey;}