// Global javascripts
// Author David Dale
// Imagica Design 
// copyright 2005

var interval = 7; // delay between rotating images (in seconds)
var random_display = 0; // 0 = no, 1 = yes
interval *= 1000;

var image_index = 0;
image_list = new Array();
image_list[image_index++] = new imageItem("images/home-sml-1.jpg");
image_list[image_index++] = new imageItem("images/home-sml-2.jpg");
image_list[image_index++] = new imageItem("images/home-sml-3.jpg");
image_list[image_index++] = new imageItem("images/home-sml-4.jpg");
image_list[image_index++] = new imageItem("images/home-sml-5.jpg");
image_list[image_index++] = new imageItem("images/home-sml-6.jpg");

var number_of_image = image_list.length;
var loops = 0;

function imageItem(image_location) {
	this.image_item = new Image();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
	return(imageObj.image_item.src)
}

function generate(x, y) {
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
	if (random_display) {
		image_index = generate(0, number_of_image-1);
	}
	else {
		image_index = (image_index+1) % number_of_image;
	}
	var new_image = get_ImageItemLocation(image_list[image_index]);
	return(new_image);
}

function rotateImage(place) {
	loops++;
	if ( loops <= image_list.length ) {
		var new_image = getNextImage();
		document.getElementById(place).src = new_image;
		var recur_call = "rotateImage('"+place+"')";
		setTimeout(recur_call, interval);
	}
}

function preloadImgs(imgAry) {
	for ( var i=0; i<imgAry.length; i++ ) {
		MM_preloadImages("/" + imgAry[i].image_item.src);
	}
}

function MM_preloadImages() { //v3.0
	var d=document;
	if(d.images){
	if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
	for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}