stat = new Array();



function anaus(id) {
	if( stat[id] == "an" ) {
	  document.getElementById('img'+id).src='sys_img/icons/zoom-in.png';
	  document.getElementById(id).style.display='none';
	  stat[id] = "aus";
	} else {
	  document.getElementById('img'+id).src='sys_img/icons/zoom-out.png';
	  document.getElementById(id).style.display='block';
	  stat[id] = "an";
  }
}