function CheckApproved()
{
	if (document.getElementById("approved").checked == true)
	{
		document.getElementById("live").disabled = false
	}
	else
	{
		document.getElementById("live").checked = false
		document.getElementById("live").disabled = true
	}
}

function Get_Cookie(name) {
  var start = document.cookie.indexOf(name + '=');
  var len = start + name.length + 1;
  if ((!start) && (name != document.cookie.substring(0,name.length)))
    return null;
  if (start == -1)
    return null;
  var end = document.cookie.indexOf(';',len);
  if (end == -1) end = document.cookie.length;
  return unescape(document.cookie.substring(len,end));
}

function Set_Cookie(name,value,expires) {
  document.cookie = 
    name + '=' + escape(value) +
    ( (expires) ? ';expires=' + expires.toGMTString() : '');
}

function Delete_Cookie(name) {
  if (Get_Cookie(name))
    document.cookie =
      name + '=' +
      ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}

function popUpWindow(URLStr, winName, left, top, width, height)
{
   var popUpWin=0;
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, winName, 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbar=no,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function OpenPopUpScrolling(URLStr, winName, left, top, width, height)
{
   var popUpWin=0;
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, winName, 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbar=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function popUpWindowNoSize(URLStr, winName, left, top, width, height)
{
   var popUpWin1=0;
  if(popUpWin1)
  {
    if(!popUpWin1.closed) popUpWin1.close();
  }
  popUpWin1 = open(URLStr, winName, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function popUpWindowTools(URLStr, winName, left, top, width, height)
{
   var popUpWin1=0;
  if(popUpWin1)
  {
    if(!popUpWin1.closed) popUpWin1.close();
  }
  popUpWin1 = open(URLStr, winName, 'toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function CheckApproved(field1,field2,field3)
{
	if (document.getElementById(field1).checked == true)
	{
		document.getElementById(field2).disabled = false
		//document.getElementById(field3).disabled = false
	}
	else
	{
		document.getElementById(field2).value = ""
		document.getElementById(field2).disabled = true
		document.getElementById(field3).value = ""
		document.getElementById(field3).disabled = true
	}
}

function SelectNewActivity(field1,field2)
{
	if (document.getElementById(field1).value == "Follow up activity")
	{
		document.getElementById(field2).disabled = false
	}
	else
	{
		document.getElementById(field2).value = ""
		document.getElementById(field2).disabled = true
	}
}

function changed()
{
	document.getElementById("changes").value = "yes"
}

function confirmSubmit()
{
var agree=confirm("Are you sure you wish to DELETE this record ?");
if (agree)
	return true ;
else
	return false ;
}

function confirmDelete()
{
var agree=confirm("Are you sure you wish to DELETE this record ?");
if (agree)
	return true ;
else
	return false ;
}

function confirmComplete()
{
var agree=confirm("Are you sure you wish to COMPLETE this record ?");
if (agree)
	return true ;
else
	return false ;
}

function confirmReopen()
{
var agree=confirm("Are you sure you wish to RE-OPEN this record ?");
if (agree)
	return true ;
else
	return false ;
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function ConfirmBooking1()
{
	if (document.getElementById("TCAgree").checked == "")
	{
		alert("You must tick the box to confirm you agree to the supplier's terms and conditions.");
		document.getElementById("TCAgree").focus();
		return false;
	}
	return true;
}

function ConfirmBooking()
{
if (document.frmBooking.FirstName.value == ""){
   alert("Please enter the first names of all the attendees.")
   document.frmBooking.FirstName.focus()
}
else if (document.frmBooking.Surname.value == ""){
   alert("Please enter the surnames of all the attendees.")
   document.frmBooking.Surname.focus()
}
else
	document.frmBooking.submit()
}

function SubmitBooking(i)
{
	var errorMsg = "";
		if (i > 1) 
		for ( var j = 1 ; j < i; j++ )
		{
			if (document.getElementById("firstname"+j).value == '')
			{
				errorMsg += "You must enter the Firstname.\n"
			}
			if (document.getElementById("surname"+j).value == '')
			{
				errorMsg += "You must enter the Surname.\n"
			}
			if (document.getElementById("ninumber"+j).value == '' && document.getElementById("uniquenumber"+j).value == '')
			{
				errorMsg += "You must enter either the NI Number or Other Unique Number.\n"
			}
			else if (!document.getElementById("ninumber"+j).value == '')
			{
				if (checkNINO(document.getElementById("ninumber"+j).value) == false)
				{
					errorMsg += "One of the NI Numbers is not valid.\n"
				}
			}
			else if (!document.getElementById("uniquenumber"+j).value == '')
			{
				if (document.getElementById("uniquenumber"+j).value.length < 6)
				{
					errorMsg += "The Other Unique Number must be at least 6 digits long.\n"
				}
				if (document.getElementById("uniquenumbertype"+j).value == '')
				{
					errorMsg += "You must select the Other Unique Number Type.\n"
				}
			}
		}
		else
			if (document.getElementById("firstname"+i).value == '')
			{
				errorMsg += "You must enter the Firstname.\n"
			}
			if (document.getElementById("surname"+i).value == '')
			{
				errorMsg += "You must enter the Surname.\n"
			}
			if (document.getElementById("ninumber"+i).value == '' && document.getElementById("uniquenumber"+i).value == '')
			{
				errorMsg += "You must enter either the NI Number or Other Unique Number.\n"
			}
			else if (!document.getElementById("ninumber"+i).value == '')
			{
				if (checkNINO(document.getElementById("ninumber"+i).value) == false)
				{
					errorMsg += "The NI Number is not valid.\n"
				}
			}
			else if (!document.getElementById("uniquenumber"+i).value == '')
			{
				if (document.getElementById("uniquenumber"+i).value.length < 6)
				{
					errorMsg += "The Other Unique Number must be at least 6 digits long.\n"
				}
				if (document.getElementById("uniquenumbertype"+i).value == '')
				{
					errorMsg += "You must select the Other Unique Number Type.\n"
				}
			}
		if (!errorMsg == '')
		{
			alert ("For each attendee.\n"+errorMsg)
			return false
		}
		return true
}
	
function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.- ";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  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;
         }
      }
   return blnResult;
   }

function checkNINO (toCheck) {

  var valid = false;
  var exp = /^[A-CEGHJ-NOPR-TW-Z]{1}[A-CEGHJ-NPR-TW-Z]{1}[0-9]{6}[ABCD\s]{1}/
  if (toCheck.match(exp)) {
    valid = true;
  }
  exp = /(^GB)|(^BG)|(^NK)|(^KN)|(^TN)|(^NT)|(^ZZ).+/
  if (toCheck.match(exp)) {
    valid = false;
  }
  
  // Return with the error status
  return valid;
}