function MM_findObj(n, d) { //v3.0
  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); return x;
}
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;
}

/* Functions that handle preload. */
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];}}
}

//-->


/* this function opens an htm file in a separate window. Parameters are the URL filename,
   window width and height in pixels, and window position from left and top of screen */

var newWindow = null;

function openWin(URL, wWidth, wHeight, wLeft, wTop) 
{ 
if(newWindow&&!newWindow.closed)
{
  closeWin();
}

//  alert("Wait a tick!");

  newWindow=window.open(URL,"XXX","toolbar=no,left="+wLeft+",top="+wTop+",width="+wWidth+",height="+wHeight+",status=no,resize=no,menubar=no");
}

/* this function closes an open window. It is necessary to resolve a problem with IE4 */

function closeWin() 
{ 
  newWindow.close();
}


function checkEmail(str)

// Validate e-mail address - called by ValidateForm function

{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	   return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
	   return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	   return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
	   return false
	}
	if (str.indexOf(" ")!=-1){
	   return false
	}
	return true					
}

function checkInvChars(str)

// Check for any invalid characters in field - called by checkInput function

{
	var checkInv = "<>";
	var i;
	for (i = 0; i < str.length; i++) {
		if (checkInv.indexOf(str.charAt(i))>=0) {
			return false		
		}
	}
	return true
}

function checkTelephone(checkStr)

// Check for a valid telephone number - called by ValidateForm function

{
	var checkOK="0123456789- ";
	var allValid=true;
	var spaces=0;
	var hyphens=0;
	var digits=0;
	for (i=0; i<checkStr.length; i++) {
		ch=checkStr.charAt(i);
		if (checkOK.indexOf(ch)==-1) {
			allValid=false;
			break;
		}
	if (ch=="-") {
		hyphens++ }
	if (ch==" ") {
		spaces++; }
	if (checkOK.indexOf(ch)<=9) {
		digits++; }
	}
	if (allValid==false || hyphens>2 || spaces>3 || digits<8) {
		return false }
	else {
		return true }
}

function y2k(number) { 
	return (number < 1000) ? number + 1900 : number;
	}

function padout(number) {
	return (number < 10) ? '0' + number : number; 
	}

var today = new Date();
var day = today.getDate(), month = today.getMonth(), year = y2k(today.getYear()), whichOne = 0;

function restart() {
    document.data.elements['date' + whichOne].value = '' + padout(day) + '/' + padout(month - 0 + 1) + '/' + year;
    mywindow.close();
}

function openCalendar(number,e) {
//    x = e.clientX;
//    y = e.clientY;
	x = Planning.x+document.body.scrollLeft+75;
	y = Planning.y+document.body.scrollTop;
//	alert (x + " / " + y)
    whichOne = number;
    day = today.getDate(), month = today.getMonth(), year = y2k(today.getYear());
    mywindow=open('cal.htm','myname','resizable=no,width=200,height=160,top=' + y + ',left=' + x + ',screenX=' + x + ',screenY=' + y);
    mywindow.location.href = 'cal.htm';
    mywindow.focus();
    if (mywindow.opener == null) mywindow.opener = self;
}

function checkInvChars(str)

// Check for any invalid characters in field - called by checkInput function

{
	var checkInv = "<>";
	var i;
	for (i = 0; i < str.length; i++) {
		if (checkInv.indexOf(str.charAt(i))>=0) {
			return false		
		}
	}
	return true
}

function checkNum(checkStr) {

// Check field is numeric

	var checkOK="0123456789";
	var allValid=true;
	for (i=0; i<checkStr.length; i++) {
		ch=checkStr.charAt(i);
		if (checkOK.indexOf(ch)==-1) {
			allValid=false;
			break;
		}
	}
	if (allValid) {
		return true }
	else {
		return false }
}