function avantar() {
	var ranNum = Math.ceil(Math.random()*10);
	document.getElementById('background').style.background = 'url(/fileadmin/template/image/full_avatar_'+ranNum+'.gif)';
}

function popup(obj) {
	var ranNum = Math.ceil(Math.random()*3);
	
	var dis_top = parseInt(obj.offsetTop)-57;
	var dis_left = parseInt(obj.offsetWidth);

	document.getElementById('popup').style.background = 'url(/fileadmin/template/image/popup_'+ranNum+'.png)';
	document.getElementById('popup').style.display = 'block';
	document.getElementById('popup').style.top = dis_top+'px';
	document.getElementById('popup').style.left = dis_left+'px';
}

function popupoff() {
	document.getElementById('popup').style.display = 'none';
}