//Harjit Singh 25-Jan-2007 For SBS/AVATS
//Original source: http://codebetter.com/blogs/darrell.norton/archive/2004/03/03/8374.aspx
	
function fnTrapKD(btn, event){
 if (document.all){
  if (event.keyCode == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
 else if (document.getElementById){
  if (event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
 else if(document.layers){
  if(event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.click();
  }
 }
}

//Niketa: To ensure that textareas/textboxes with multiline on dont exceed thier maxlength
function chkTextEntered(field,maxlimit) 
{
	if ( field.value.length > maxlimit )
	{
		field.value = field.value.substring( 0, maxlimit );
		alert("This is the maximum amount of data allowed for this field.");
		return false;
	}
}

// PE (PMI): textbox filter function (Aplha, AlphaNumeric, Numeric etc.)
// Replaces AJAX FilerTextBoxExtender control
// enter -1 for min and max values if you do not wish these to be applied
function CustomFilterExtender(control, e, AllowedValues, minValue, maxValue)
{
    var validValue = control.value ;
    // we will carry out max/min validation checks on temp value
    var tempValue = control.value ;
    //controlToValidate.value = "" ;
    //alert(controlToValidate.value) ;
    var keynum;
    var keychar;
    var numcheck;
    
    keynum = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;
    
    if(keynum < 47)
    {
        return;
    }
        
    keychar = String.fromCharCode(keynum) ;

    // following 2 lines carry out numeric check only
    //numcheck = /\d/
    //return numcheck.test(keychar)
    
    // Any values contained in the AllowedValues param are OK
    var checkOK = AllowedValues ;
    var result = false ;

    // loop through valid characters
    for (i = 0;  i < checkOK.length;  i++)
    {
        if (keychar == checkOK.charAt(i))
        {
            tempValue += keychar ;
            result = true ;
        }
    }
  
    // check minimum and maximum
    if (minValue != -1 || maxValue != -1)
    {  
        // only numeric values can have min/max checks
        if (AllowedValues == "0123456789" || AllowedValues == "1234567890")
        {   
            if (tempValue != "")
            {
                result = false ;
                var prsVal = parseInt(tempValue);
                if (prsVal >= minValue && prsVal <= maxValue)
                {    
                    result = true ;
                }
                else
                {
                    alert("Please specify a value within the range " + minValue + " - " + maxValue) ;
                    tempValue = validValue ;
                    result = false ;
                }
            }
        }
    }
    return result ;
    
}

// function enables expanding and collapsing of div tags
// Replaces AJAX Accordian control, please ensure naming convention for headers and divs
// tags must be named expandDiv1, expandDiv2, expandDiv3 and so on
// see DetailedApp.aspx for example implementation
// see Journal.aspx for dynamic example implementation
function ExpandDiv(divControl, divCount)
{
    // expand div control passed
	document.all[divControl].style.height = "100%" ;
	// collapse the rest
	
	for(var i = 1; i <= divCount; i++)
	{
	    if(document.all["expandDiv" + i] == null)
	    {
	        continue;
	    }
	    if (document.all["expandDiv" + i].id != divControl)
		    document.all["expandDiv" + i].style.height = "0px" ; 
	}
}
// incase we are creating the divs dynamically inside a content 
// place holder then we will have to pass the ASPNET asigned client ID
function ExpandDiv2(divControl, divCount, clientIDPrefix)
{
    // expand div control passed
    var expandDiv = document.getElementById(divControl);
	expandDiv.style.height = "100%" ;
	
	// collapse the rest	
	for(var i = 1; i <= divCount; i++)
	{
	    var colapseDivClientID = (clientIDPrefix + i);
	    if(divControl != colapseDivClientID)
	    {
	        var colapseDiv = document.getElementById(colapseDivClientID);
	        colapseDiv.style.height = "0px" ;
	    }
	}
}

// Replace AJAX CollapiblePanel control
// see StickerStatus.ascx for example implementation
// expandImage - clickable image to expand the control
// collapseImage - clickable image to collaps the control
// targetControl - control to collapse/expand
// visibilityControl - hidden field indicating if the targetcontrol is collapsed/expanded across postbacks
// bExpand - value indicating if expanding or collapsing
function ExpandCollapseCntrl(expandImage, collapseImage, targetControl, visibilityControl, bExpand)
{
    if (bExpand == "true")
    {
        document.all[collapseImage].style.height = "100%" ;
        document.all[expandImage].style.height = "0px" ;
        document.all[targetControl].style.height = "100%" ;
        document.all[visibilityControl].value = "1";
    }
    else
    {
        document.all[collapseImage].style.height = "0px" ;
        document.all[expandImage].style.height = "100%" ;
        document.all[targetControl].style.height = "0px" ;
        document.all[visibilityControl].value = "0";
    }
}

function DisableButton()
		{
		window.setTimeout("disableButton('" + 
                   window.event.srcElement.id + "')", 0);
		}
		
function disableButton(buttonID) 
	{
	    var button = document.getElementById(buttonID);
	    if(button != null)
	    {
            button.disabled=true;
        }
    }
    
/* Date Mask functions */

/* Clear Water Mark & change forecolour */
function ClearDateField(dtControl)
{
    if (document.getElementById(dtControl).value == "dd/mm/yyyy")
    {
         document.getElementById(dtControl).value = "" ;
    }
}
/* Restore Water Mark & forecolour if empty */
function ResetWaterMark(dtControl)
{
    if (document.getElementById(dtControl).value == "")
    {
        document.getElementById(dtControl).value = "dd/mm/yyyy" ;
    }
}
/* Clear Water Mark on submit */
/*****************************************
WARNING:    
CustomValidator control id must be "cv" + the 
ControlToValidate ID i.e. if the ID of the 
ControlToValidate is "txtDOB", the ID of the 
CustomValidator must be "cvtxtDOB".
Common function SetCustomDateMask does this
automatically as CustVal is passed as param
******************************************/
function ClearWaterMark(sender, args)
{
        var controlToValidate = sender.id.replace("cv", "") ;
    
    if (args.Value == "dd/mm/yyyy")
    {
        if (document.getElementById(controlToValidate) != null)
        {
            document.getElementById(controlToValidate).value = "" ;
        }
        args.IsValid = true ;
    }
    // added to check than the year is on 4 digits
    else //user has entered something
    {
        if (args.Value.length != 10)
        {
            args.IsValid = false ;
        }
        else
        {
            args.IsValid = true ;
        }
    }
    return ;
}
function CheckDateRequired(sender, args)
{
    if (args.Value == "dd/mm/yyyy" || args.Value == "")
    {
        var controlToValidate = sender.id.replace("cv", "") ;
        if (document.getElementById(controlToValidate) != null)
            document.getElementById(controlToValidate).value = "" ;
            
        args.IsValid = false ;
        return ;
    }
    // added to check than the year is on 4 digits
    else
    {
        if (args.Value.length != 10)
        {
            args.IsValid = false ;
        }
    }
}

// PE (PMI): date textbox filter function (dd/mm/yyyy)
function DateExtender(control, e, AllowedValues)
{
    var dateValue = document.getElementById(control).value ;
    //alert(dateValue) ;
    var result = false ;
    var enterSlash = false ;
    //if (dateValue.length < 10)
    //{
        // in case back-space is hit then more numeric values entered
        /*
        if ((dateValue.length == 2 && dateValue.indexOf("/") == -1) || dateValue.length == 5)
        {
            dateValue += "/" ;
        }
        */
        //controlToValidate.value = "" ;
        //alert(controlToValidate.value) ;
        var keynum;
        var keychar;
        var numcheck;
        var tempValue = -1 ;
        
        keynum = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;
                
        //keynum with number less then 47 are empty character keys like backspace, enter, esc et.
        if(keynum < 47)
        {
            return;
        }
        keychar = String.fromCharCode(keynum) ;

        // following 2 lines carry out numeric check only
        //numcheck = /\d/
        //return numcheck.test(keychar)
        
        // Any values contained in the AllowedValues param are OK
        var checkOK = AllowedValues ;

        // loop through valid characters
        for (i = 0;  i < checkOK.length;  i++)
        {
            if (keychar == checkOK.charAt(i))
            {
                result = true ;
                // auto populate slash
                if (dateValue.length == 1 || dateValue.length == 4)
                {
                    dateValue += keychar + "/" ;
                    enterSlash = true ;
                }
                else if ((dateValue.length == 2 && dateValue.indexOf("/") == -1) || (dateValue.length == 5 && dateValue.split("/").length < 3))
                {
                    dateValue += "/" + keychar ;
                    enterSlash = true ;
                }
            }
        }
    //}
    
    // in case user attempts to enter a day or month of 1-9 (without the preceding 0) and press "/" themselves
    
    if (dateValue.length == 1 && keychar == "/" && dateValue != "0")
    {
        dateValue = "0" + dateValue + "/" ;
        enterSlash = true ;
    }
    else if (dateValue.length == 4 && keychar == "/")
    {
        var date_array = dateValue.split("/");
        if (date_array[1] != "0")
            dateValue = date_array[0] + "/0" + date_array[1] + "/" ;
        enterSlash = true ;
    }   
    
    if (enterSlash == true)
    {
        document.getElementById(control).value = dateValue ;
        return false ;
    }
    else
    {
        return result ;
    }
}

function CheckDateFormat(control)
{   
    var dateValue = document.getElementById(control).value ;
    var components = dateValue.split("/") ;
    //alert(components.length) ;
    
    if (components.length == 2)
    {
        var day = components[0] ;
        var month = components[1] ;
        if (day.length > 2 || month.length > 2)
        {
            if (day.length > 2)
            {
               day = components[0].substr(0, 2) ;
               //month = components[0].substr(2, 1) + month ;
               month = components[0].substr(2, 1) ;
            } 
            if (month.length > 2)
            {
                month = month.substr(0, 2) ;
            }   
            document.getElementById(control).value = day + "/" + month ;
        }
    }
    else if (components.length == 3)
    {
        var day = components[0] ;
        var month = components[1] ;
        var year = components[2] ;
        if (day.length > 2 || month.length > 2 || year.length > 4)
        {
            if (day.length > 2)
            {
               day = components[0].substr(0, 2) ;
               month = components[0].substr(2, 1) ;
               //month = components[0].substr(2, 1) + month ;
               document.getElementById(control).value = day + "/" + month  ;
            }  
            if (month.length > 2)
            {
                month = month.substr(0, 2) ;
                //year = components[1].substr(2, 1) + year ;
                year = components[1].substr(2, 1) ;
                
                document.getElementById(control).value = day + "/" + month + "/" + year ;
            }
            if (year.length > 4)
            {
                year = components[2].substr(0, 4) ;
                
                document.getElementById(control).value = day + "/" + month + "/" + year ;
            }    
         }
    }  
    //alert("Test") ;
}

// Added 27/09/2007 by Anthony Chou
// This function was added in relation with bug id 704 (Validation on numerical fields); we could paste text in some numeric fields.
// This function clears the control if it contains something else than numbers.
function IsNumeric(control)
//  check for valid numeric strings	
{
    var strString = control.value.replace(/^\s+|\s+$/g, ''); // equivalent of trim(control.value)
    var strValidChars = "0123456789";
    var strChar;
    var blnResult = true;
    var pos = Cursor_GetPos(control); //We save the position of the cursor
    
    //  test strString consists of valid characters listed above
    for (i = 0; i < strString.length && blnResult == true; i++)
    {
        strChar = strString.charAt(i);
        if (strValidChars.indexOf(strChar) == -1)
        {
            blnResult = false;
        }
    }
    
    if (!blnResult)
    {
        control.value = "";
    }
    else
    {
        control.value = strString; // with no blanks
    }

    Cursor_SetPos(control,pos);//We set the cursor where it was before

    return blnResult;
}

function ChangeWindowLocation(url)
{
    window.location=url;
}

// This function trims the string from left and right
function Trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function GetStringWidth(stringToCheck,rulerSpan) 
{ 
    if (rulerSpan != null) 
    { 
        rulerSpan.innerHTML = stringToCheck; 
        return rulerSpan.offsetWidth; 
    } 
    return -1;
}

function CheckTextLengthFocus(maxLimit,checkControl,rulerControl,setFocus)
{
    if(checkControl.value.length <= 0)
    {
        return true;
    }
    
    if(checkControl == null)
    {
        return false;
    }
    
    var textLength = GetStringWidth(checkControl.value,rulerControl);    
    
    var pos;
    if(setFocus)
    {
        pos = Cursor_GetPos(checkControl);
        var KeyID = (window.event) ? event.keyCode : e.keyCode;
       
        //If the user enters two spaces
        if ( pos > 1 && KeyID == 32 && checkControl.value.charAt(pos-1) == " " && checkControl.value.charAt(pos-2) == " ")
        {
            pos--;
        }
    }
    
    var returnValue = false;
    if(textLength < 0 || textLength > maxLimit)
    {
        checkControl.value = RemoveOverLimitCharacters(maxLimit, rulerControl.innerHTML, rulerControl);
        returnValue = false;
    }
    else
    {
        checkControl.value = rulerControl.innerHTML;
        returnValue = true;
    } 
    
    if(setFocus)
    {
        Cursor_SetPos(checkControl,pos);
    }    
    return returnValue;
}

function CheckTextLength(maxLimit,checkControl,rulerControl)
{   
    CheckTextLengthFocus(maxLimit,checkControl,rulerControl,true);    
}

function CheckTextLengthNameAndSurname(maxLimit,checkControl,secondControl,rulerControl)
{
    if(checkControl.value.length <= 0)
    {
        return true;
    }    
   
    if(secondControl == null)
    {
        return false;
    }
   
    var textToCheck = secondControl.value + ', ' + checkControl.value;

    var textLength = GetStringWidth(textToCheck,rulerControl); 
    var pos = Cursor_GetPos(checkControl);
    var KeyID = (window.event) ? event.keyCode : e.keyCode;
   
    //If the user enters two spaces
    if ( pos > 1 && KeyID == 32 && checkControl.value.charAt(pos-1) == " " && checkControl.value.charAt(pos-2) == " ")
    {
        pos--;
    }
    if(textLength < 0 || textLength > maxLimit)
    {
        var numberOfRemovedCharacters = GetNumberOfOverLimitCharacters(maxLimit, rulerControl.innerHTML, rulerControl);
        rulerControl.innerHTML = checkControl.value.substring( 0, checkControl.value.length - numberOfRemovedCharacters);
        checkControl.value = rulerControl.innerHTML;
        Cursor_SetPos(checkControl,pos);
        return false;
    }
    else
    {
        // remove double spaces
        rulerControl.innerHTML = checkControl.value;
        checkControl.value = rulerControl.innerHTML;
        Cursor_SetPos(checkControl,pos);
        return true;
    }    
}

function GetNumberOfOverLimitCharacters(maxLimit, stringToCut, rulerControl)
{
    var countOfRemovedCharacters = 0;
    while(maxLimit < GetStringWidth(stringToCut,rulerControl) && stringToCut.length > 0)
    {
        countOfRemovedCharacters++;
        stringToCut = stringToCut.substring( 0, stringToCut.length - 1);
    }
    
    return countOfRemovedCharacters;
}

function RemoveOverLimitCharacters(maxLimit, stringToCut, rulerControl)
{
    while(maxLimit < GetStringWidth(stringToCut,rulerControl) && stringToCut.length > 0)
    {
        stringToCut = stringToCut.substring( 0, stringToCut.length - 1);
    }
    
    return stringToCut;
}

// Added the 08/11/2007
// Allows to get  the position of the cursor in a textField
function Cursor_GetPos( where_, pos_)
{
    var Obj= where_;
    var overflow = false;

    if( Obj )
    {
        //-- Focus on Object
        Obj.focus();
        if(typeof Obj.selectionStart != "undefined")
        {
            return Obj.selectionStart;
        }    
        else
        { 
          //If the control is full we need to change the maxlength to calculate the position  
          if ( (Obj.getAttribute("maxLength") - Obj.value.length) <= 1 )
          {
              Obj.maxLength = Obj.maxLength + 2;
              overflow = true;
          }
          
          // IE and consort
          var szMark = "~~";
          var Chaine = Obj.value;
          //-- Create a copy 
          var szTmp = document.selection.createRange();
          szTmp.text = szMark;
          //-- Get the cursor position
          var PosDeb = Obj.value.search(szMark);
          //-- Put the initial value
          Obj.value = Chaine;
          Chaine = Obj.createTextRange();
          //-- Move the beginning of the string
          Chaine.moveStart('character', PosDeb);
          //-- Move the cursor
          Chaine.collapse();
          Chaine.select();
          
          if ( overflow == true )
          {
              Obj.maxLength = Obj.maxLength - 2;
          }
          return( PosDeb);
        }
   }
}

// Added the 08/11/2007
// Allows to set  the position of the cursor in a textField  
function Cursor_SetPos( where_, pos_)
{
      var Obj =where_;
      if( Obj)
      {      
        Obj.focus();
        if( typeof Obj.selectionStart != "undefined")
        {
          Obj.setSelectionRange( pos_, pos_);
        }
        else
        { // IE and consort
          var Chaine = Obj.createTextRange();
          Chaine.moveStart('character', pos_);
          //-- Move cursor
          Chaine.collapse();
          Chaine.select();
        }
        return( Cursor_GetPos( where_, pos_));
      }
}

// This function is used to display the help tips, to disable all the help tips, to highlight the row which has an help tip
function setClass(control, array_TR_ToRetablish, helpControl_toDisplay, array_Help_ToHide, colorToRetablish) 
{
    setClass(control, array_TR_ToRetablish, helpControl_toDisplay, array_Help_ToHide, colorToRetablish, false) 
}

function setClass(control, array_TR_ToRetablish, helpControl_toDisplay, array_Help_ToHide, colorToRetablish, isFirstPage) 
{
    var currTabElem = document.getElementById(control);
    
    ClearToolTips(array_TR_ToRetablish, array_Help_ToHide, colorToRetablish) ;
    
    //We highlight the row which has an help tip
    if (currTabElem != null)
    {  
        currTabElem.style.backgroundColor = "#FFF8C6";
    }
    
    //We display the help tip
    if (document.getElementById(helpControl_toDisplay) != null)
    {
        document.getElementById(helpControl_toDisplay).style.display = "block";   
        if(isFirstPage)
        {
            document.getElementById(helpControl_toDisplay).style.position = "absolute";
            document.getElementById(helpControl_toDisplay).style.top = FindPosY(control) + "px";
            
            //apply only in IE
            if((document.all) && (navigator.userAgent.indexOf('Opera') == -1))
            {
                var tipXOffset = FindPosX(control) + document.getElementById(control).offsetWidth - FindPosX(helpControl_toDisplay);
                if(tipXOffset != 0)
                {
                    document.getElementById(helpControl_toDisplay).style.left = document.getElementById(helpControl_toDisplay).offsetLeft - 1;
                }
                document.getElementById(helpControl_toDisplay).style.top = document.getElementById(helpControl_toDisplay).offsetTop - 2;
            }
        }
    }
    return; 
}
// Specifical to dropdownlist of the first screen
function displayHelpTip(control,array_TR_ToRetablish, array_Help_ToHide, array_HelpTips, dropDownId)
{
    var dropDown = document.getElementById(dropDownId);
    var helpControl_toDisplay;
    if ( dropDown != null && dropDown.selectedIndex != 0)
    { 
        if (document.getElementById(array_HelpTips[dropDown.selectedIndex]) != null)
        {
            helpControl_toDisplay = array_HelpTips[dropDown.selectedIndex];
        }        
        setClass(control, array_TR_ToRetablish, helpControl_toDisplay, array_Help_ToHide, null,true);
    }
}

function ClearToolTips(array_TR_ToRetablish, array_Help_ToHide, colorToRetablish) 
{
    // Put white background  color for all the controls which have help tips
    for (var i=0; array_TR_ToRetablish != null && i<array_TR_ToRetablish.length; i++)
    {
        if (document.getElementById(array_TR_ToRetablish[i]) != null )
        {
            document.getElementById(array_TR_ToRetablish[i]).style.backgroundColor ="#fff";    
        }
        
        if (document.getElementById(array_TR_ToRetablish[i]) != null  && colorToRetablish != null)
        {
            document.getElementById(array_TR_ToRetablish[i]).style.backgroundColor = colorToRetablish;    
        }
    }
    
    // Hide all help tips
    for (var i=0; array_Help_ToHide != null && i<array_Help_ToHide.length; i++)
    {
        if (document.getElementById(array_Help_ToHide[i]) != null )
        {
            document.getElementById(array_Help_ToHide[i]).style.display ="none";  
        } 
    }
}

function FindPosY(currentControlId)
{
    var currentControl = document.getElementById(currentControlId);
    var currentTop = 0;
    
    if(currentControl.offsetParent)
    {
        while(1)
        {
            currentTop += currentControl.offsetTop;
            if(!currentControl.offsetParent)
            {
                break;
            }
            currentControl = currentControl.offsetParent;
        }
    }
    else if(currentControl.y)
    {
        currentTop += currentControl.y;
    }
    
    return currentTop;
}

function FindPosX(currentControlId)
{
    var currentControl = document.getElementById(currentControlId);
    var currentLeft = 0;
    
    if(currentControl.offsetParent)
    {
        while(1)
        {
            currentLeft += currentControl.offsetLeft;
            if(!currentControl.offsetParent)
            {
                break;
            }
            currentControl = currentControl.offsetParent;
        }
    }
    else if(currentControl.x)
    {
        currentLeft += currentControl.x;
    }
    
    return currentLeft;
}