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

function price() {
  document.write ('<a href="../prices.htm">( back to prices )</a>');
}

function validateRelease() {
 var name = document.forms["form1"].name.value;
 var email = document.forms["form1"].email.value;
 var tel = document.forms["form1"].tel.value;
 
 
 <!-- Here we check the customer has entered their details correctly using Javascript -->
 
 if (!name){
  alert("Please enter your name");
  return (false);}
 
 if (!tel && !email.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi)){
  alert("You must enter either a valid email address or a telephone number for the form to work");
  return (false);}
}

function map() {
  document.write ('<a href="http://www.streetmap.co.uk/streetmap.dll?P2M?P=BN21TJ&Z=1" target="_blank">&gt;&gt;view map</a>');
}

function checkForm() // used in book-room.php
{
  var f = document.form1;
  var msg = '';
  var list = '';
    
  if (f.customer.value == '')
    list = 'Name\n';
  if (f.telephone.value == '')
    list += 'Telephone Number\n';
  if (f.email.value == '')
    list += 'Email Address\n';

  if (list != '')
    msg = 'Please fill-in the following required fields:\n\n' + list;            

  if (msg != '')
    alert(msg);
  else
    f.submit();
}
