function recherche(){

	/*alert($('categid').value + $('searchid').value + $('villeid').value + $('expoid').value);*/
	
	parametres = 'categ=' + $('categid').value + '&ville=' + $('villeid').value + '&expo=' + $('expoid').value + '&search=' + $('searchid').value;
	
	$('resultatSearch').style.display = 'block';
	$('titlePage2').style.display = 'block';
	new Ajax.Updater(
						 'resultatSearch',
						 'searchExpo.php',
						 {
							 "method": 'get',
							 "parameters": parametres							 
						 }
						);
					 	
}




function affichDesc(id,test){
	
	if(test == 0)
	{
		$('fleche_'+id).innerHTML = '<img src="http://www.biobernai.com/images/ouvert.jpg" alt="ouvert" />';
		$('desc_'+id).style.display='block';
		$('open').value = id;
	}
	else
	{
		if(id == $('open').value)
		{
			
			$('fleche_'+$('open').value).innerHTML = '<img src="http://www.biobernai.com/images/ferme.jpg" alt="ferme" />';
			$('desc_'+$('open').value).style.display='none';
			
			$('open').value = 0;
		}
		else
		{
			
			$('fleche_'+$('open').value).innerHTML = '<img src="http://www.biobernai.com/images/ferme.jpg" alt="ferme" />';
			$('desc_'+$('open').value).style.display='none';
			$('fleche_'+id).innerHTML = '<img src="http://www.biobernai.com/images/ouvert.jpg" alt="ouvert" a/>';	
			$('desc_'+id).style.display='block';
			$('open').value = id;	
		}
	}
};