var last_menu_used='';
function display_text(id_to_display){
  if(last_menu_used != ''){
     document.getElementById(last_menu_used).style.display='none';     
     if(last_menu_used == 'vini_hide')
        document.getElementById('vini').style.display="none";  
  }  
  document.getElementById(id_to_display).style.display='block';
  document.getElementById('twitters').style.display='none';  
  if(id_to_display == 'menus_hide'){
     document.getElementById('vini').style.display='block';
     document.getElementById('about').style.display='none';
     document.getElementById('menus').style.display='none';
     document.getElementById('fuoricasa').style.display='none';
     document.getElementById('prenota').style.display='none';
     document.getElementById('vini').style.marginLeft='380px';
  } 
  last_menu_used = id_to_display;
}
//---------------------------
function createMap(){
	var cell = document.getElementById('map_container');
  if(cell.hasChildNodes()){
    while(cell.childNodes.length >= 1){
        cell.removeChild( cell.firstChild );       
    } 
  }
	var googlemap = document.createElement('iframe');
	if ((screen.width>1024) && (screen.height>=768)){
 				googlemap.setAttribute('height','483');
	      googlemap.setAttribute('width','563');	
	}else{
			googlemap.setAttribute('height','404');
	    googlemap.setAttribute('width','403');	
	}
	googlemap.setAttribute('frameborder','0');
	googlemap.setAttribute('scrolling','no');
	googlemap.setAttribute('marginheight','0');
	googlemap.setAttribute('marginwidth','0');
	googlemap.setAttribute('src','http://www.guidoristorante.it/map.html');
	document.getElementById('map_container').appendChild(googlemap);
}