// slide show

var i;
var loop = 1;
var time = '5500';
var imgs = new Array("/layout_images/header01.jpg","layout_images/header02.jpg","layout_images/header03.jpg","/layout_images/header04.jpg","/layout_images/header05.jpg","/layout_images/header06.jpg");
var width = '900px';
var height = '446px';
var alt = 'William Tillyer';

if (document.images) {var cache = new Array(); for (i=0;i<imgs.length;i++) {cache[i] = new Image();cache[i].src = imgs[i];}}
var ie4 = document.all; var dom = document.getElementById;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1); var isOpera7 = (navigator.userAgent.indexOf("Opera 7.") != -1);
var ok = ((ie4||dom) && (!(isOpera && !isOpera7)))?true:false;
var current_canvas = "canvas0"; var current_index = Math.floor(Math.random()*2); var interval; var next_canvas; var next_canvas_obj; var current_opacity; var next_index = current_index + 1;

function rotate() {
	var temp = ie4?eval("document.all."+current_canvas):document.getElementById(current_canvas);
	temp.style.zIndex++;
	current_opacity = 11;
	interval = eval('setInterval("fade()",20)');
}

function fade() {
	if (current_opacity<89) {
		current_opacity+=11;
		setOpacity(current_canvas,current_opacity);
	} else {
		clearInterval(interval);
		current_canvas = (current_canvas=="canvas0")?"canvas1":"canvas0";
		next_canvas = (current_canvas=="canvas0")?"canvas0":"canvas1";
		setOpacity(next_canvas,11);
		next_canvas_obj = ie4?eval("document.all." + next_canvas):document.getElementById(next_canvas);
		next_canvas_obj.innerHTML = '<img src="'+imgs[next_index]+'" alt="'+alt+'" border="0" width="'+width+'" height="'+height+'" />';
		current_index = (current_index<imgs.length-1)?current_index+1:0;
		next_index = (next_index<imgs.length-1)?next_index+1:0;
		if ((loop==0) && (current_index==0)){return false;}
		setTimeout("rotate()",time);
	}
}

// set div opacity

function setOpacity (targetDiv, opacValue) {
	var obj = ie4?eval("document.all."+targetDiv):document.getElementById(targetDiv);
	if (obj.filters) {obj.filters.alpha.opacity=opacValue;}
	if (obj.style.MozOpacity) {obj.style.MozOpacity=opacValue/100;}
	if (obj.style.opacity) {obj.style.opacity=opacValue/100;}
	if (obj.style.setProperty) {obj.style.setProperty('-khtml-opacity',opacValue/100,null);}
}