var pics_small = new Array();
var pics_large = new Array();
var pics_text = new Array();
var pics_count = 0;
var pic_first = 0;
var pics_small_places = 0;
var left_arrow_passive = "";
var right_arrow_passive = "";
var left_arrow_active = "";
var right_arrow_active = "";

function gallery_add(pic_small, pic_large, pic_text) {
	pics_small[pics_count] = pic_small;
	pics_large[pics_count] = pic_large;
	pics_text[pics_count] = pic_text;
	pics_count++;
}

function gallery_create(small_count, left_passive, right_passive, left_active, right_active) {
	pics_small_places = small_count;
	left_arrow_passive = left_passive;
	right_arrow_passive = right_passive;
	left_arrow_active = left_active;
	right_arrow_active = right_active;
	document.write('<table border="0" cellspacing="0" cellpadding="0" style="margin: 0;">');
	document.write('<tr>');
	document.write('<td></td>');
	document.write('<td colspan='+small_count+'><img src="'+pics_large[0]+'" border=0 class="gallery_large" id="gallery_large" name="gallery_large" title="'+pics_text[0]+'"></td>');
	document.write('<td></td>');
	document.write('</tr>');
	document.write('<tr>');
	document.write('<td><a href="javascript: gallery_left();"><img src="'+left_passive+'" border=0 class="gallery_left" id="gallery_left" name="gallery_left" onmouseover=\'document.images["gallery_left"].src="'+left_arrow_active+'"\' onmouseout=\'document.images["gallery_left"].src="'+left_arrow_passive+'"\'></a></td>');
	for (i=0; i<small_count; i++) {
		document.write('<td class="gallery_small"><a href="javascript: gallery_click('+i+');"><img src="'+pics_small[i]+'" border=0 class="gallery_small" id="gallery_small_'+i+'" name="gallery_small_'+i+'" title="'+pics_text[i]+'"></a></td>');
	}
	document.write('<td><a href="javascript: gallery_right();"><img src="'+right_passive+'" border=0 class="gallery_right" id="gallery_right" name="gallery_right" onmouseover=\'document.images["gallery_right"].src="'+right_arrow_active+'"\' onmouseout=\'document.images["gallery_right"].src="'+right_arrow_passive+'"\'></a></td>');
	document.write('</tr>');
	document.write('</table>');
}

function slide_pics(delta) {
	pic_first += delta;
	for (i=0; i < pics_small_places; i++) {
		document.images["gallery_small_"+i].src = pics_small[pic_first + i];
		document.images["gallery_small_"+i].title = pics_text[pic_first + i];
	}
}

function gallery_left(){
	if (pic_first > 0) slide_pics(-1);
}

function gallery_right(){
	if (pic_first+pics_small_places < pics_count) slide_pics(1);
}

function gallery_click(n){
	document.images["gallery_large"].src = pics_large[pic_first + n];
	document.images["gallery_large"].title = pics_text[pic_first + n];
}