/* -----------------------------------------------------------------------

	contact_us.js - code for contact_us form
	
	web			: http://www.happycarrot.co.uk/
	filename	: /javascript/contact_us.js
	version		: 09/05/2008
	
   ----------------------------------------------------------------------- */

// Handle changes required when subject changed
function subject_change(obj)	
{
	if (obj.id == "subject") {
		
		txt = obj.options[obj.selectedIndex].value;
			
		// If 'Quote for Original' then phone number is mandatory		
		if (txt.match("Quote for Original")) {
			document.getElementById('phone_label').className = "form_label mandatory_flag";
			document.getElementById("message_label").innerHTML = "Your Message (include title and name of artist):";	
		} else {
			document.getElementById('phone_label').className = "form_label";	
			document.getElementById("message_label").innerHTML = "Your Message:";
		}
		
		// Change message label for certain subjects
		if (txt.match("Quote for Original")) {
			document.getElementById("message_label").innerHTML = "Your Message (include title and name of artist):";
			}
		else if (txt.match("Sales Query")) {
				document.getElementById("message_label").innerHTML = "Your Message (include your order number):";
			}
		else {
			document.getElementById("message_label").innerHTML = "Your Message:";
			}
	}
}