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;
		}
	//*****************************
	//POPUP WINDOW TO CONFIRM DATA// (user can proceed or come back to form)
	//******************************
	/*var r=confirm("Here are your personnal information :"+'\n\n'+ 
					"Name : "+ document.enquiry.name.value +'\n'+
					"Email : "+ document.enquiry.email.value +'\n'+
					"Phone : "+ document.enquiry.phone.value +'\n'+
					"Message: "+ document.enquiry.message.value +'\n'+
					"Would you like to proceed?");
  if (r==true)
    {
	return true
    }
  else
    {
	return false
	}*/
}