var cur_page = 0;
var cur_sheet = 0;
var pages_count = 3;
var msec = 20000;


function set_page(n)
{
	for (i = 0; i < pages_count; i++) {
		s='page'+i;
		document.getElementById(s).style.display = 'none';
		s='i'+i;
		document.getElementById(s).style.display = 'none';
		s='l'+i;
		document.getElementById(s).style.display = '';
	}
	s='page'+n;
	document.getElementById(s).style.display = '';
	s='i'+n;
	document.getElementById(s).style.display = '';
	s='l'+n;
	document.getElementById(s).style.display = 'none';
	cur_page = n;
}

function rotate_pages()
{
	if (cur_sheet != 0) return 0;
	cur_page++;
	if (cur_page > (pages_count-1)) cur_page = 0;
	//alert(cur_page);
	set_page(cur_page);
	window.setTimeout('rotate_pages()',msec);
	return 1;
}



function change_sheet(n)
{
	var s;
	for (i = 0; i < 3; i++) {
		s='t'+i;
		document.getElementById(s).className = '';
		s='td'+i;
		document.getElementById(s).style.display = 'none'	;
		s='td'+i+'l';
		document.getElementById(s).style.display = ''	;
		s='div'+i;
		document.getElementById(s).style.display = 'none'	;
	}
	s='t'+n;
	document.getElementById(s).className = 'sel';
	s='td'+n;
	document.getElementById(s).style.display = ''	;
	s='td'+n+'l';
	document.getElementById(s).style.display = 'none'	;
	s='div'+n;
	document.getElementById(s).style.display = ''	;
	cur_sheet = n;
	if (cur_sheet == 0) window.setTimeout('rotate_pages()',msec);
}

function show_block(id) {
	if (document.getElementById(id).style.display == 'block')
		{
		document.getElementById(id).style.display = 'none';
		show ='show';
		}
	else
		{
		document.getElementById(id).style.display = 'block';
		show ='hide';
		}
}

function search_focus (id) {
	if(id.value=='Ищем') {id.value=''; id.className='sel'}
}

var img=false;
/********** Show block **********/
function show(id, img) {
	if (document.getElementById(id).style.display == 'block')
	{
		document.getElementById(id).style.display = 'none';
		if (img)
			{
			document.getElementById(img).src = "buttons/" + img + ".jpg";
			document.getElementById(img).style.height= '32px';
			}
	}
	else
	{
		document.getElementById(id).style.display = 'block';
		if (img)
			{
			document.getElementById(img).src = "buttons/" + img + "_c.jpg";
			document.getElementById(img).style.height= '40px';
			}
	}
}

function show_vac(id, img) {
	if (document.getElementById(id).style.display == 'block')
	{
		document.getElementById(id).style.display = 'none';
		if (img)
			{
			document.getElementById(img).src = "images/arrow_right.gif";
			}
	}
	else
	{
		document.getElementById(id).style.display = 'block';
		if (img)
			{
			document.getElementById(img).src = "images/arrow_down.gif";
			}
	}
}

function show_inform(id) {
	for (i=1; i<=3; i++)
	document.getElementById('inform'+i).style.display = 'none';

	document.getElementById(id).style.display = 'block';
}