function searchControlUp()
{
	
	if(document.searchForm.chiave.value == 'Search keyword')
	{
		document.searchForm.chiave.value = '';
	}
	
}

//////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////
function contaNum()
{
	var num = document.searchForm.chiave.value;
	


	//alert(document.searchForm.search_argomento.value);
	

	

	var numtot = num.length;
	if(numtot == 0){closeObject('txtSearchTribe');}
	if(numtot == 4 || numtot == 8 || numtot == 12 || numtot == 18)
	{
		
		
			openObject('txtSearchTribe');
			
			//closeObject('headerBanner');
			//openObject('headerBanner_trasparent');
			
			showSearch(num);	

		
	}
	
}

function closeSearch()
{
	document.searchForm.chiave.value = 'Search keyword';
	//openObject('headerBanner');
	//closeObject('headerBanner_trasparent');
	//closeObject('txtSearchTribe');
}

var xmlHttp

function showSearch(chiave)
{ 

	//alert(chiave+' -- '+sezione+' -- '+sottosezione);
//parte il preloader
document.getElementById("txtSearchTribe").innerHTML='<img src="../_img/preloader/preloader_barra.gif" />';

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="_class/search/form/iframesearch.php";
//var url="http://localhost/ST/search/iframesearch.php";
url=url+"?k="+chiave;
//alert(url);
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChangedSearch;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
//document.form.nazione.value = str;

}

function stateChangedSearch() 
{ 
if (xmlHttp.readyState==4)
{
document.getElementById("txtSearchTribe").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;
}