function change_right(n) {
	var src = document.getElementById("p_1").src;
	var name = document.getElementById("p_1").name;
	for (i=1,j=2; i<n; i++,j++)
		{
		document.getElementById("p_"+i).src = document.getElementById("p_"+j).src;
		document.getElementById("p_"+i).name = document.getElementById("p_"+j).name;
		}
		document.getElementById("p_"+n).src = src;
		document.getElementById("p_"+n).name = name;
}

function change_left(n) {
	var src = document.getElementById("p_"+n).src;
	var name = document.getElementById("p_"+n).name;
	for (i=n,j=n-1; j>0; i--,j--)
		{
		document.getElementById("p_"+i).src = document.getElementById("p_"+j).src;
		document.getElementById("p_"+i).name = document.getElementById("p_"+j).name;
		}
		document.getElementById("p_1").src = src;
		document.getElementById("p_1").name = name;
}

function open_image(img) {
	var src = document.getElementById(img).name;
	document.getElementById("big_image").src = src;
	
	var topimg = document.body.scrollTop + 200;
	var divheight = document.body.scrollHeight-topimg;
	
	document.getElementById("fon_img").style.width = document.body.scrollWidth;
	document.getElementById("fon_img").style.height = document.body.scrollHeight;
	document.getElementById("fon_img").style.display = 'inline';
	
	document.getElementById("big_img").style.width = document.body.scrollWidth;
	document.getElementById("big_img").style.height = divheight;
	
	document.getElementById("big_img").style.marginTop = topimg;
	document.getElementById("big_img").style.display = 'inline';
	
	picture = document.getElementById('big_image');
	picture.className='pict_20';
	setTimeout("picture.className='pict_50'",100);
	setTimeout("picture.className='pict_70'",200);
	setTimeout("picture.className='pict_100'",300);
}

function open_big_image(im_name) {
	document.getElementById("big_image").src = im_name;
	var topimg = document.body.scrollTop + 200;
	var divheight = document.body.scrollHeight-topimg;

	document.getElementById("fon_img").style.width = document.body.scrollWidth;
	document.getElementById("fon_img").style.height = document.body.scrollHeight;
	document.getElementById("fon_img").style.display = 'inline';
	
	document.getElementById("big_img").style.width = document.body.scrollWidth;
	document.getElementById("big_img").style.height = divheight;

	document.getElementById("big_img").style.marginTop = topimg;
	document.getElementById("big_img").style.display = 'inline';
	
	picture = document.getElementById('big_image');
	picture.className='pict_20';
	setTimeout("picture.className='pict_50'",100);
	setTimeout("picture.className='pict_70'",200);
	setTimeout("picture.className='pict_100'",300);
}

function hide_image() {
	document.getElementById("big_img").style.display = 'none';
	document.getElementById("fon_img").style.display = 'none';
}

function close_image() {
	document.getElementById("big_image").src = "/images/000.gif";
	setTimeout("hide_image()",200);
}

function sub_text_status(sub_id) {
	var clName = document.getElementById(sub_id).className;
	if (clName=='sub_text')
		document.getElementById(sub_id).className = 'sub_text_visible';
	else
		document.getElementById(sub_id).className = 'sub_text';
}