function gallery_display(id){
	if (id < IMGS.length){
		img_current_disp = id;
		img_info = IMGS[id];
		document.getElementById ("gallery_img").src = img_info[0];
		document.getElementById ("gallery_txt").innerHTML = img_info[1];
		thumb_set();
	}
}
function thumb_over(id){
	document.getElementById(id).style.borderColor = '#9F1019';
}
function thumb_out(id){
	if (id != "img_thumb_" + img_current_disp)
		document.getElementById(id).style.borderColor = '#707173';
}
function thumb_set(){
	for (i = 0; i < IMGS.length; i++)
		if (i == img_current_disp)
			thumb_over ("img_thumb_" + i);
		else
			thumb_out("img_thumb_" + i);
}