function ajax_select(f,select_in,select_out,tabl_out,langue){

	var selin    = f.elements[select_in]; 
	var selouta  = f.elements[select_out]; 
	
	var index = selin.selectedIndex; 
	if(index < 1) 
	selouta.options.length = 0; 
	else { 
		var xhr_object = null; 
	     
		if(window.XMLHttpRequest) // Firefox 
		xhr_object = new XMLHttpRequest(); 
		else if(window.ActiveXObject) // Internet Explorer 
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
		else { // XMLHttpRequest non supporte' par le navigateur 
	    	  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
	      	  return; 
	   	} 
	 
	   	xhr_object.open("POST", "ajax_select.php", true); 
	     
	   	xhr_object.onreadystatechange = function() { 
	    	  if(xhr_object.readyState == 4) 
	          eval(xhr_object.responseText); 
	   } 
	 
	   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	   var data = "table="+tabl_out+"&champ_in="+select_in+"&var_in="+escape(selin.options[index].value)+"&langu="+langue+"&form="+f.name+"&select="+select_out; 
	   //alert(data);
	   xhr_object.send(data); 
	} 
	
}

function ajax_quartier(f,select_in,langue){

	var selin    = f.elements[select_in]; 
	var index = selin.selectedIndex; 
	 
		var xhr_object = null; 
	     
		if(window.XMLHttpRequest) // Firefox 
		xhr_object = new XMLHttpRequest(); 
		else if(window.ActiveXObject) // Internet Explorer 
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
		else { // XMLHttpRequest non supporte' par le navigateur 
	    	  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
	      	  return; 
	   	} 
	 
	   	xhr_object.open("POST","ajax_quartier.php", true); 
	     
	   	xhr_object.onreadystatechange = function() { 
	    	  if(xhr_object.readyState == 4) 
	          eval(xhr_object.responseText); 
	   } 
	 
	   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	   
	   var data = "champ_in="+select_in+"&var_in="+escape(selin.options[index].value)+"&langu="+langue+"&form="+f.name; 
	   //alert(data);
	   xhr_object.send(data); 
}


function ajax_select_fltr(f,select_in,select_out,tabl_out,langue){

	var selin    = f.elements[select_in]; 
	var selouta  = f.elements[select_out]; 
	
	var index = selin.selectedIndex; 
	if(index < 1) 
	selouta.options.length = 0; 
	else { 
		var xhr_object = null; 
	     
		if(window.XMLHttpRequest) // Firefox 
		xhr_object = new XMLHttpRequest(); 
		else if(window.ActiveXObject) // Internet Explorer 
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
		else { // XMLHttpRequest non supporte' par le navigateur 
	    	  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
	      	  return; 
	   	} 
	 
	   	xhr_object.open("POST", "ajax_select_fltr.php", true); 
	     
	   	xhr_object.onreadystatechange = function() { 
	    	  if(xhr_object.readyState == 4) 
	          eval(xhr_object.responseText); 
	   } 
	 
	   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	   var data = "table="+tabl_out+"&champ_in="+select_in+"&var_in="+escape(selin.options[index].value)+"&langu="+langue+"&form="+f.name+"&select="+select_out; 
	   //alert(data);
	   xhr_object.send(data); 
	} 
	
}