function validating_order() {
			var theMessage = "Please complete the following: \n-----------------------------------\n";
			var noErrors = theMessage;
					
			// make sure field is not blank
			if (document.order.firstname.value=="") {
			theMessage = theMessage + "\n > Your first name";
			}
			
			// make sure field is not blank
			if (document.order.surname.value=="") {
			theMessage = theMessage + "\n > Your Surname";
			}
			
			
			// make sure field is not blank
			if (document.order.postcode.value=="") {
			theMessage = theMessage + "\n > Your Postcode";
			}
			
			// make sure field is not blank
			if (document.order.phone.value=="") {
			theMessage = theMessage + "\n > Your phone number";
			}
			
			// validate an e-mail address
			if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.order.email.value)){
			theMessage = theMessage + "\n > A valid e-mail address";
			}
			
			
			// make sure field is not blank
			if (document.order.comments.value=="") {
			theMessage = theMessage + "\n > Comments";
			}
							
			// If no errors, submit the form
			if (theMessage == noErrors) {
			return true;
					
			} else {
				
			// If errors were found, show alert message
			alert(theMessage);
			return false;
			}
		}
		// End -->

function setFontSize(s) {
	var p = document.getElementsByTagName('p');
	for(i=0;i<p.length;i++) {
		p[i].style.fontSize = s+"px";
	}
}

function showBox(id) {
	var divs = document.getElementsByTagName('div');
	for (var i = 0; i < divs.length; i++){
		var div = divs[i];
		if (div.id.substr(0, 4) == "cbox") {
			div.style.display = "none";
		}
	}
	document.getElementById('cbox'+id).style.display = "";
}