function clearElem(id){try{var o=document.getElementById(id);o.innerHTML = '';o.style.display = 'none';}catch (e){}}
function formToUrl(obj)
{
	var elem = obj.elements;
	var url = '';

	for (var i=0; i<elem.length; i++)
	{
		if (elem[i] && elem[i].name && elem[i].name != '_dont_save_')
		{
			if (elem[i].type == 'radio' || elem[i].type == 'checkbox')
			{
				if (elem[i].checked) url = url + elem[i].name + '=' + encodeURIComponent(elem[i].value) + '&';
			}
			else url = url + elem[i].name + '=' + encodeURIComponent(elem[i].value) + '&';
		}
	}

	return url;
}


var timer_id = setTimeout(function(){return true}, 1);
var current = 4;
var blockImg = 0;
function changeimg(next)
{
	$('#img'+current).animate({opacity:'hide'}, 'slow');
	$('#img'+next).animate({opacity:'show'}, 'slow');
	current = next;
	showByTimer(current);
}
function overMenu(obj, num)
{
	if (!blockImg)
	{
		try {
			var prev = document.getElementById('menu_item_'+activeMenuId);
			prev.className='';
		} catch (e) {}

		showByTimer(num);
	}
}
function outMenu(obj, num)
{
	if (!blockImg)
	{
		try {
			var prev = document.getElementById('menu_item_'+activeMenuId);
			prev.className='active';
		} catch (e) {}

		showByTimer(num);
	}
}

function showByTimer(num)
{
	if (num==4)
	{
		num = 1;
	}
	else
	{
		num = num + 1;
	}
	clearTimeout(timer_id);
	timer_id = setTimeout('changeimg('+num+')', 5000);
}

showByTimer(current);