count = 0;
current_item = 1;

var kcs_images = new Array();

kcs_images[1] = '/skins/kcsada/images/home_rotate_1.gif';
kcs_images[2] = '/skins/kcsada/images/home_rotate_2.gif';
kcs_images[3] = '/skins/kcsada/images/home_rotate_3.gif';
kcs_images[4] = '/skins/kcsada/images/home_rotate_4.gif';
kcs_images[5] = '/skins/kcsada/images/home_rotate_5.gif';
kcs_images[6] = '/skins/kcsada/images/home_rotate_7.gif';
kcs_images[7] = '/skins/kcsada/images/home_rotate_8.gif';

var kcs_links = new Array();

kcs_links[1] = '/dealers/detail/307';
kcs_links[2] = '/dealers/detail/36246';
kcs_links[3] = '/dealers/detail/40965';
kcs_links[4] = '/dealers/detail/319';
kcs_links[5] = '/dealers/detail/2776';
kcs_links[6] = '/dealers/detail/40967';
kcs_links[7] = '/dealers/detail/31957';

var kcs_names = new Array();

kcs_names[1] = 'Patrick Sandberg';
kcs_names[2] = 'J.A.N. Fine Art';
kcs_names[3] = 'Robert Kime';
kcs_names[4] = 'B.Silverman';
kcs_names[5] = 'David Brower Antiques';
kcs_names[6] = 'Simon Spero';
kcs_names[7] = 'Through the Looking Glass';

var playlist = new Array();

function generatePlaylist() {
	//clear playlist
	for (var i=1; i < kcs_images.length; i++) {
		playlist[i] = -1;		
	}

	//populate it
	for (var i=1; i < kcs_images.length; i++) {
		playlist[i] = get_rand_num(kcs_images.length - 1);
		for (var f=1; f<kcs_images.length; f++) {
			if (f!=i && playlist[f] == playlist[i]) {
				i--;
			}
		}
	}
}

function get_rand_images_main(){

	var output_html = '';

	var rand_num = playlist[current_item];
	
	output_html += '<a href="' + kcs_links[rand_num] +'">';
	output_html += '<img width="300" height="228" id="heroImg" class="contributor" src="' + kcs_images[rand_num] + '" border="0" style="padding: 0px;" alt="' + kcs_names[rand_num] + '" title="' + kcs_names[rand_num] + '" />'; 	
	output_html += '</a>';

	current_item = current_item + 1;

	if (current_item >= kcs_images.length) {
		current_item = 1;
	}

	return output_html;

}

function get_rand_num(range_limit){

	return random_number=Math.floor(Math.random()*range_limit) + 1;

}

function num_already_used(test_num,used_nums){
	for (var i=0;i<=used_nums.length;i++){
		if (test_num == used_nums[i]){
			return true;
		}	
	}
	return false;
}

function show_shop_front(){
	shopHTML = document.getElementById('shopfront');
	shopHTML.innerHTML = get_rand_images_main();
}

function start_shop_front_rotate(){
	generatePlaylist();
	if (count < 100) {
		show_shop_front();
	}
	count = 100;
	var shop_rotate = setInterval(show_shop_front,4000);
}