function ajax_select(nom_form,nom_select_courant,nom_select_dest,table_dest,where1,langue)
{
	var select_courant = nom_form.elements[nom_select_courant]; 
	var select_dest = nom_form.elements[nom_select_dest]; 
	var index = select_courant.selectedIndex; 

	if(index < 1) 
	select_dest.options.length = 0; 

	else 
	{ 
		var xhr_object = null;   

		if(window.XMLHttpRequest)
			xhr_object = new XMLHttpRequest(); 

		else if(window.ActiveXObject)
			xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 

		else 
		{
			alert("Votre navigateur n'est pas compatible"); 
				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 = "nom_form="+nom_form.name+"&nom_select_dest="+nom_select_dest+"&table="+table_dest+"&where1="+where1+"&where2="+escape(select_courant.options[index].value)+"&langue="+langue; 
	   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); 

}