var pic_alias;
var max_pic=0;
var cur_pic=0;

var pic_dir='images/slide_shows/';

function run_slideshow(p_pic_alias, p_max_pic) {
	pic_alias=p_pic_alias;
	max_pic=p_max_pic;
	var slide_window=open("slide_show.html","slide_window",
   "scrollbars=no,width=450, height=350")
}

function auto_show() {
	next_image();
	setTimeout('auto_show();',3000);
}

function get_pic() {
	document.getElementById('slide_image').src= pic_dir + pic_alias + '_' + cur_pic + '.jpg';
}

function prev_image() {
	if(--cur_pic<0) {
		cur_pic=max_pic;
	}
	get_pic();
}

function next_image() {
	if(++cur_pic>max_pic) {
		cur_pic=0;
	}
	get_pic();
}