function echeck(str)  
{
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
   alert("Email error : You forgot the '@'")
   return false}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
   alert("Email error : your address can't start with '@'")
   return false}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
    alert("Email error : You forgot the '.' in your address")
    return false}
if (str.indexOf(at,(lat+1))!=-1){
    alert("Email error : You only need one @ in your address")
    return false}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
    alert("Email error : You need the domain name between the '@' and the '.'")
    return false}
if (str.indexOf(dot,(lat+2))==-1){
    alert("Email error : The '@' must be placed before the '.'")
    return false}
if (str.indexOf(" ")!=-1){
    alert("Email error : Please do not use any spaces")
    return false}
return true;}

//VALID BOOKING FORM//
function validation(){
var emailID=document.enquiry.email
if(document.enquiry.name.value=="")
	{
	alert('Please input your name');
	document.enquiry.name.focus()
	document.enquiry.name.select()
	return false;}
if ((emailID.value==null)||(emailID.value=="")){
	alert('we need your email address');
	emailID.focus()
	emailID.select()
	return false;}
if (echeck(emailID.value)==false){
	emailID.focus();
	emailID.select();
	return false;}
if(document.enquiry.phone.value=="")
	{
	alert('Please fill in your phone number including the country code');
	document.enquiry.phone.focus()
	document.enquiry.phone.select()
	return false;}
}