function updateObj() 
{

    // only if req shows "complete"
    if (req.readyState == 4) {
        // only if "OK"
		
        if (req.status == 200) {
            //response  = req.responseXML.documentElement;
      		//method    = response.getElementsByTagName('method')[0].firstChild.data;
      		//result    = response.getElementsByTagName('result')[0].firstChild.data;
			
      		  document.getElementById('obj_centre-ville').innerHTML = '0'
   			  document.getElementById('obj_sarine').innerHTML = '0'
   			  document.getElementById('obj_gruyere').innerHTML = '0'
   			  document.getElementById('obj_broye').innerHTML = '0'
   			  document.getElementById('obj_singine').innerHTML = '0'
   			  document.getElementById('obj_glane').innerHTML = '0'
   			  document.getElementById('obj_le-lac').innerHTML = '0'
   			  document.getElementById('obj_veveyse').innerHTML = '0'
   			  document.getElementById('obj_vs').innerHTML = '0'
   			  document.getElementById('obj_vd').innerHTML = '0'
      		
      		eval( req.responseText )
			
			for (i=0; i < tab.length; i++ ){
				
				eval (tab[i])
			}
			
        } else {
            alert("There was a problem retrieving the XML")
        }

    }
    
    return;
}

function updateObjects()
{
	var sql = ""
	
	var deal = document.getElementById('deal').value
	
	if( deal )
	   sql = sql + " AND deal ='" + deal + "' " 
	   
	
	var categ = document.getElementById('categ').value

	if( categ )
	   sql = sql + " AND categ ='" + categ + "' " 
	
	
	  
	  
	var priceMin = document.getElementById('priceMin').value  
	if( priceMin )
	   sql = sql + " AND price>= " + priceMin
	   
	var priceMax = document.getElementById('priceMax').value  
	if( priceMax )
	   sql = sql + " AND price<= " + priceMax
	   
	   
	var nbroomsMin = document.getElementById('nbroomsMin').value  
	if( nbroomsMin )
	   sql = sql + " AND nb_rooms>= " + nbroomsMin
	   
	var nbroomsMax = document.getElementById('nbroomsMax').value  
	if( nbroomsMax )
	   sql = sql + " AND nb_rooms<= " + nbroomsMax
   
	
	url = '/scripts/ajax/updateObjects.php?sql=' + sql;
	loadXMLDoc(url, 'updateObj');

}