function validate()
{	
	valid = true;
	
	if(document.Enquiryform.name.value == ""){
	    alert("You have not entered your full name. Please try again.");
		document.Enquiryform.name.focus();
		valid = false;
	}
	else if (document.Enquiryform.email.value == "") {
        alert ("\n The e-mail field is blank. \n\n Please enter your e-mail address.")
        document.Enquiryform.email.focus();
        return false;
    }
    else if (document.Enquiryform.email.value.indexOf ('@',0) == -1 ||
        document.Enquiryform.email.value.indexOf ('.',0) == -1) {
        alert ("\n The e-mail field requires a \"@\" and a \".\"be used. \n\nPlease re-enter your e-mail address.")
        document.Enquiryform.email.select();
        document.Enquiryform.email.focus();
        return false;
    }
	else if(document.Enquiryform.phone.value == ""){
	    alert("You have not entered your contact telephone number. Please try again. \n\n If calling from outside the UK, please include your international dialling code.");
		document.Enquiryform.phone.focus();
		valid = false;
	}
	else if(document.Enquiryform.enquiry.value == ""){
	    alert("You have not entered any details regarding your enquiry. Please try again.");
		document.Enquiryform.enquiry.focus();
		valid = false;
	}
	return valid;
}