function CreateXmlHttpReq(handler) {
		  var xmlhttp = null;
		  try {
			xmlhttp = new XMLHttpRequest();
		  } catch(e) {
			try {
				xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
			} catch(e) {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
		  }
			xmlhttp.onreadystatechange = handler;
		  return xmlhttp;
		}
		
function clearForm(id){
		new Ajax.Updater(id, 'form/clear.php', {asynchronous:true});
	}

function setVisible(id, value, table){

		myRequest = CreateXmlHttpReq(myHandler);
	myRequest.open("POST","sql/visible.php");
	myRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	myRequest.send("id="+escape(id)+"&value="+escape(value)+"&table="+escape(table));
	}

function ritornaData(str) { // anno a 4 cifre !!!
	spz = str.split("-");
	alert('spz'+spx[2]);
	
	/*dat = new Date(spz[2], spz[1]-1, spz[0]); 
		
		dat.getFullYear(spz[2]);
		dat.getMonth(spz[1])-1)
		dat.getDate(spz[0]) {
		return dat; 
	*/
}

function manageMenu(id){
	
	var list = $$('li.submenu');
 	list.each(	function(element) 	{	
				//debug:alert(element.hasClassName('appear'))		; 
					if(element.hasClassName('appear')==true){	//debug:alert('entro in true');
					
																//debug:alert(element.id+'identity_'+id);
																if(element.id==('identity_'+id)){}
																else{	element.addClassName('disappear');
																		
																		element.removeClassName('appear');
																		//debug:alert('entro else');
																}
															}	
			}//chiude func 
	); //chiude each
	

	$('identity_'+id).addClassName('appear');	
	Effect.Appear('identity_'+id);
	$('identity_'+id).removeClassName('disappear');

}