function Checkfields()
{
		if(document.frmBooking.name.value == ""){
		alert("Please Enter your name.");
		return false;}
		
		if(document.frmBooking.requiredDate.value == ""){
		alert("Please enter a date");
		return false;}
		
		if(document.frmBooking.time.value == ""){
			alert("Please enter a time.")
			return false;
		}
	return true;		
}

function CheckAddressFields()
{
	if(document.frmAddressBooking.houseNumber.value == "")
	{
		alert("Please enter your house number or name.")
		return false;
	}
	if(document.frmAddressBooking.street.value == "")
	{
		alert("Please enter your street name.")
		return false;
	}
	if(document.frmAddressBooking.postCode.value == "")
	{
		alert("Please enter your post code.")
		return false;
	}

	if(document.frmAddressBooking.telephone.value == "")
	{
		alert("Please enter your telephone number.")
		return false;
	}

	return true;		
}

function CheckContactFields()
{
	if(document.frmContact.name.value == ""){
	alert("Please Enter your name.");
	return false;}
		
	if(document.frmContact.message.value == ""){
	alert("Please Enter your message.");
	return false;}

	if(document.frmContact.telephone.value == "")
	{
		if(document.frmContact.email.value == "")
		{
			alert("Please Enter either telephone or email address.");
			return false;
		}
	}
	return true;
}

function hideName()
{
	document.frmBooking.name.style.visibility = 'hidden';
}

function showName()
{
	document.frmBooking.name.style.visibility = 'visible';
}

function checkEmail(the_email)
{
	var the_at = the_email.indexOf("@");
	var the_dot = the_email.lastIndexOf(".");
	var a_space = the_email.indexOf(" ");
	if ((the_at != -1) &&
	(the_at != 0) &&
	(the_dot != -1) &&
	(the_dot > the_at + 1) &&
	(the_dot < the_email.length - 1) &&
	(a_space == -1))
	{
		// email is OK
		return true;
	}
	else
	{
		// bad address
		return false;
	}
}


function open_Window(URL,WinName,WinSpec){
window.open(URL,WinName,WinSpec);
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}