// FORM VALIDATION
function enquiries(){
	Event.observe('cEnq', 'submit', chForm);
}
function chForm(e){
	thisForm = Event.element(e);
	var error = 'no'
	var required = $(thisForm).getElementsByClassName('required');
	required.each(function(n){
		myDaddy = n.up();
		if (n.next('img') !== undefined) n.next('img').remove();
		if ($F(n) == '' || $F(n) == null || typeof $F(n) == 'undefined'){
			new Insertion.After(n,"<img src=\"images/alert.gif\" />");
			error = 'yes';
		}
	});
	if (error === 'yes') Event.stop(e);
}

var delay = 3000;
var start_frame = 0;

function init() {
	var lis = $('slide-images').getElementsByTagName('li');
	
	for( i=0; i < lis.length; i++){
		if(i!=0){
			lis[i].style.display = 'none';
		}
	}
	end_frame = lis.length -1;
	
	start_slideshow(start_frame, end_frame, delay, lis);
	
	
}

function start_slideshow(start_frame, end_frame, delay, lis) {
	setTimeout(fadeInOut(start_frame,start_frame,end_frame, delay, lis), delay);
}


function fadeInOut(frame, start_frame, end_frame, delay, lis) {
	return (function() {
		lis = $('slide-images').getElementsByTagName('li');
		Effect.Fade(lis[frame]);
		if (frame == end_frame) { frame = start_frame; } else { frame++; }
		lisAppear = lis[frame];
		setTimeout("Effect.Appear(lisAppear);", 0);
		setTimeout(fadeInOut(frame, start_frame, end_frame, delay), delay + 1850);
	})
	
}