function show_popup(event) {
	if (!event) { var event = window.event;  }
	move_popup(event)
	e = document.getElementById('cover');
	e.style.display='block';
}

function move_popup(event) {
	if (!event) { var event = window.event; }
	el = document.getElementById('cover');
	el.style.display = 'block';
	el.style.left = event.clientX + document.documentElement.scrollLeft + 10 +  'px';
	el.style.top = event.clientY + document.documentElement.scrollTop + 10 - 210 + 'px';
}


function hide_popup() {
	e = document.getElementById('cover');
	e.style.display = 'none';
	
}

function show_hide(id) {
	var add_form;
	add_form = document.getElementById(id);
	if (add_form.style.display=="none") {
		add_form.style.display = "block"; 
	} else {
		add_form.style.display = "none"; 
	}
	
}

var rot_id=0;

function rot_ban()
{
    document.getElementById('banner'+rot_id).style.display = 'none';
    rot_id++;
    if (rot_id>rot_max) rot_id = 0;
    document.getElementById('banner'+rot_id).style.display = 'block';
    setTimeout('rot_ban()', 3000);
}