/*
	javascript development
	============================
	website 	: 	www.mykonosblu.com/
	date 		: 	21-7-2008		
	author 		: 	mayra metaxa / developer
	company		: 	mozaik creative business solutions
	url			:	http://www.mozaik.com

*/

/* globals */
var thumb_folder = "images/thumbnails/";
var images_folder = "html_images/";


/* functions */

function get_img_name(id)
{
	var name = document.getElementById(id).src;
	
	name = name.substr(7);
	var ar = name.split("/");
	return ar[3];
}

function show_img(id)
{
	var name;
	name = get_img_name(id);
	document.getElementById('gallery').style.background = "url("+images_folder+name+")";
}

function bring_next_protogroup()
{
	var num_of_img = img_arr.length;
	var thumb_id = 1;
	
	photogroup_to = protogroup_from+how_many;		
	
	for (i=protogroup_from;i<photogroup_to;i++)
	{
		document.getElementById("thumb"+thumb_id).src = img_arr[i];
		thumb_id = thumb_id +1;
	}
	
	protogroup_from = photogroup_to;
	
	if (protogroup_from >=num_of_img-1)
		protogroup_from = 0;
}