var xmlHttp

function showUser(str)
	{ 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) 
	 {
	 alert ("Browser does not support HTTP Request")
	 return
	 }
	var url="/utili/auto_titoli_spettacoli.asp"
	url=url+"?cercatitolo="+str
	xmlHttp.onreadystatechange=stateChanged 
	document.getElementById('txtHint').style.display='block'
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
	{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	 { 
	 document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
	 } 
}

function GetXmlHttpObject()
	{
	var xmlHttp=null;
	try
	 {
	 // Firefox, Opera 8.0+, Safari
	 xmlHttp=new XMLHttpRequest();
	 }
	catch (e)
	 {
	 //Internet Explorer
	 try
	  {
	  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	  }
	 catch (e)
	  {
	  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	 }
	return xmlHttp;
}
  
  function block_unblock(dive_to_block)
  {
  if (document.getElementById(dive_to_block).style.display=='block') document.getElementById(dive_to_block).style.display='none';
  else document.getElementById(dive_to_block).style.display='block';
  
  }