<!--

function CheckEmail(field)
{
	i=field.value.indexOf("@");	//see if there's an @ sign
	x=field.value.indexOf("@",i+1); //make sure there's not more @ signs
	p=field.value.indexOf(".",i);  //there must be a period 
 

	if ( (i==-1) || (p<(i+2)) || (x>i) || (p >=(field.value.length - 2)))
	{
		alert("Please enter a valid email address in a format such as yourname@yourdomain.co.uk");
		field.focus();
		return(false);
	}
	return (true);
}


 function Validate(form)
{
   
   
   if (form.name.value.length==0)
   {
      alert("Please enter your name");
      form.name.focus();
      return (false);
   }
   
   
   if (form.telephone.value.length==0)
   {
      alert("Please enter your telephone number");
      form.telephone.focus();
      return (false);
   }
  
   
      if (form.email.value.length==0)
   {
      alert("Please enter your email address");
      form.email.focus();
      return (false);
   }
   
		if (form.email.value.length > 0)
	{
		if(!CheckEmail(form.email))
			return (false);
	}
	
	   if (form.postcode.value.length==0)
   {
      alert("Please enter your postcode");
      form.postcode.focus();
      return (false);
   }

  
 return(true);
}
 //-->