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_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_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 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 switchBlockLayers(object) {
  var i,p,v,obj;
  if ((obj=MM_findObj(object, '')) != null) { 
    if (obj.style) { obj=obj.style; v=obj.display; v=(v=='none')?'block':(v=='block')?'none':v; }
    obj.display=v; }
}

function setBlockLayers(object, status) {
  var i,p,v,obj;
  if ((obj=MM_findObj(object, '')) != null) { 
    if (obj.style) { obj=obj.style; v=obj.display; v=status; }
    obj.display=v; }
}

function showMenu(){
	setBlockLayers('menu', 'block');
	clearTimeout(timerID);
}

function showBanner(){
	setBlockLayers('banner', 'block');
	clearTimeout(timerID);
}

function showMessage(){
	setBlockLayers('message', 'block');
	clearTimeout(timerID);
}

form_submitted=false

function ValidateTellAFriend(formName)
{
	if(ValidateEmailRecipient(formName.yourName.value) == false) {
		alert('Please fill \'Your Name\'')
		formName.yourName.focus()
		form_submitted=false
		return false
	}
	
	if(ValidateEmail(formName.yourEmail) == false) {
		alert('Please fill \'Your e-mail\'')
		formName.yourEmail.focus()
		form_submitted=false
		return false
	}
	
	if(ValidateEmailRecipient(formName.friendsName.value) == false) {
		alert('Please fill \'Friend\'s Name\'')
		formName.friendsName.focus()
		form_submitted=false
		return false
	}
	
	if(ValidateEmail(formName.friendsEmail) == false) {
		alert('Please fill \'Friend\'s email\'')
		formName.friendsEmail.focus()
		form_submitted=false
		return false
	}
	
	return true
}

function ValidateSubscribe(formName)
{
	if(ValidateEmail(formName.email) == false) {
		alert('Please fill \'E-mail address\'')
		formName.email.focus()
		form_submitted=false
		return false
	}
	
	return true
}

// validate email format
function ValidateEmail(theinput)
{
	s=theinput.value
	if(s.search)
	{
		return (s.search(new RegExp("^([-!#$%&'*+./0-9=?A-Z^_`a-z{|}~])+@([-!#$%&'*+/0-9=?A-Z^_`a-z{|}~]+\.)+[a-zA-Z]{2,4}$","gi"))>=0)
	}
	if(s.indexOf)
	{
		at_character=s.indexOf('@')
		if(at_character<=0 || at_character+4>s.length)
			return false
	}
	if(s.length<6)
		return false
	else
		return true
}

// validate email recipient name
function ValidateEmailRecipient(s)
{
	pat = /^[\w \.,]+$/;
	
	if(s.match(pat))
		return true;
	else
		return false;
}