function change_departement(objRegion,objDpt,code_dpt_sel)
	{
		var region_sel=objRegion[objRegion.selectedIndex].value;
		var b_selected=false;
		
		if (region_sel=="")
		{
			objDpt.options.length=0;
			objDpt.options[0] = new Option("Tous","",true,true);
		}
	
				else if (region_sel=="Aquitaine" || region_sel==2)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("24 - Dordogne","24",(code_dpt_sel=="24"),(code_dpt_sel=="24"));
						objDpt.options[2]=new Option("33 - Gironde","33",(code_dpt_sel=="33"),(code_dpt_sel=="33"));
						objDpt.options[3]=new Option("47 - Lot et Garonne","47",(code_dpt_sel=="47"),(code_dpt_sel=="47"));
						objDpt.options[4]=new Option("64 - Pyrénées Atlantiques","64",(code_dpt_sel=="64"),(code_dpt_sel=="64"));
			}

				else if (region_sel=="Auvergne" || region_sel==3)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("43 - Haute Loire","43",(code_dpt_sel=="43"),(code_dpt_sel=="43"));
						objDpt.options[2]=new Option("63 - Puy de Dôme","63",(code_dpt_sel=="63"),(code_dpt_sel=="63"));
			}

				else if (region_sel=="Basse-Normandie" || region_sel==4)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("14 - Calvados","14",(code_dpt_sel=="14"),(code_dpt_sel=="14"));
						objDpt.options[2]=new Option("61 - Orne","61",(code_dpt_sel=="61"),(code_dpt_sel=="61"));
			}

				else if (region_sel=="Bourgogne" || region_sel==5)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("21 - Côte d'Or","21",(code_dpt_sel=="21"),(code_dpt_sel=="21"));
						objDpt.options[2]=new Option("58 - Nièvre","58",(code_dpt_sel=="58"),(code_dpt_sel=="58"));
			}

				else if (region_sel=="Bretagne" || region_sel==6)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("22 - Côtes d'Armor","22",(code_dpt_sel=="22"),(code_dpt_sel=="22"));
						objDpt.options[2]=new Option("35 - Ille et Vilaine","35",(code_dpt_sel=="35"),(code_dpt_sel=="35"));
						objDpt.options[3]=new Option("56 - Morbihan","56",(code_dpt_sel=="56"),(code_dpt_sel=="56"));
			}

				else if (region_sel=="Centre" || region_sel==7)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("28 - Eure et Loir","28",(code_dpt_sel=="28"),(code_dpt_sel=="28"));
						objDpt.options[2]=new Option("45 - Loiret","45",(code_dpt_sel=="45"),(code_dpt_sel=="45"));
			}

				else if (region_sel=="Franche-Comté" || region_sel==10)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("39 - Jura","39",(code_dpt_sel=="39"),(code_dpt_sel=="39"));
			}

				else if (region_sel=="Haute-Normandie" || region_sel==11)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("76 - Seine Maritime","76",(code_dpt_sel=="76"),(code_dpt_sel=="76"));
			}

				else if (region_sel=="Ile-de-France" || region_sel==12)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("75 - Paris","75",(code_dpt_sel=="75"),(code_dpt_sel=="75"));
						objDpt.options[2]=new Option("77 - Seine et Marne","77",(code_dpt_sel=="77"),(code_dpt_sel=="77"));
						objDpt.options[3]=new Option("78 - Yvelines","78",(code_dpt_sel=="78"),(code_dpt_sel=="78"));
						objDpt.options[4]=new Option("91 - Essonne","91",(code_dpt_sel=="91"),(code_dpt_sel=="91"));
						objDpt.options[5]=new Option("92 - Hauts de Seine","92",(code_dpt_sel=="92"),(code_dpt_sel=="92"));
						objDpt.options[6]=new Option("93 - Seine St Denis","93",(code_dpt_sel=="93"),(code_dpt_sel=="93"));
						objDpt.options[7]=new Option("94 - Val de Marne","94",(code_dpt_sel=="94"),(code_dpt_sel=="94"));
						objDpt.options[8]=new Option("95 - Val d'Oise","95",(code_dpt_sel=="95"),(code_dpt_sel=="95"));
			}

				else if (region_sel=="Languedoc-Roussillon" || region_sel==13)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("11 - Aude","11",(code_dpt_sel=="11"),(code_dpt_sel=="11"));
						objDpt.options[2]=new Option("30 - Gard","30",(code_dpt_sel=="30"),(code_dpt_sel=="30"));
						objDpt.options[3]=new Option("34 - Hérault","34",(code_dpt_sel=="34"),(code_dpt_sel=="34"));
						objDpt.options[4]=new Option("66 - Pyrénées Orientales","66",(code_dpt_sel=="66"),(code_dpt_sel=="66"));
			}

				else if (region_sel=="Limousin" || region_sel==14)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("19 - Corrèze","19",(code_dpt_sel=="19"),(code_dpt_sel=="19"));
						objDpt.options[2]=new Option("23 - Creuse","23",(code_dpt_sel=="23"),(code_dpt_sel=="23"));
			}

				else if (region_sel=="Lorraine" || region_sel==15)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("54 - Meurthe et Moselle","54",(code_dpt_sel=="54"),(code_dpt_sel=="54"));
			}

				else if (region_sel=="Midi-Pyrénées" || region_sel==22)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("09 - Ariège","09",(code_dpt_sel=="09"),(code_dpt_sel=="09"));
						objDpt.options[2]=new Option("12 - Aveyron","12",(code_dpt_sel=="12"),(code_dpt_sel=="12"));
						objDpt.options[3]=new Option("31 - Haute Garonne","31",(code_dpt_sel=="31"),(code_dpt_sel=="31"));
						objDpt.options[4]=new Option("32 - Gers","32",(code_dpt_sel=="32"),(code_dpt_sel=="32"));
			}

				else if (region_sel=="Nord-Pas de Calais" || region_sel==16)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("62 - Pas de Calais","62",(code_dpt_sel=="62"),(code_dpt_sel=="62"));
			}

				else if (region_sel=="Pays de la Loire" || region_sel==17)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("72 - Sarthe","72",(code_dpt_sel=="72"),(code_dpt_sel=="72"));
			}

				else if (region_sel=="Picardie" || region_sel==18)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("02 - Aisne","02",(code_dpt_sel=="02"),(code_dpt_sel=="02"));
						objDpt.options[2]=new Option("60 - Oise","60",(code_dpt_sel=="60"),(code_dpt_sel=="60"));
						objDpt.options[3]=new Option("80 - Somme","80",(code_dpt_sel=="80"),(code_dpt_sel=="80"));
			}

				else if (region_sel=="Provence-Alpes-Côte d'Azur" || region_sel==20)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("04 - Alpes de Hautes Provence","04",(code_dpt_sel=="04"),(code_dpt_sel=="04"));
						objDpt.options[2]=new Option("06 - Alpes Maritimes","06",(code_dpt_sel=="06"),(code_dpt_sel=="06"));
						objDpt.options[3]=new Option("13 - Bouches du Rhône","13",(code_dpt_sel=="13"),(code_dpt_sel=="13"));
						objDpt.options[4]=new Option("83 - Var","83",(code_dpt_sel=="83"),(code_dpt_sel=="83"));
						objDpt.options[5]=new Option("84 - Vaucluse","84",(code_dpt_sel=="84"),(code_dpt_sel=="84"));
			}

				else if (region_sel=="Rhône-Alpes" || region_sel==21)
		{
			objDpt.options.length=0;
			objDpt.options[0]=new Option("Tous","",(code_dpt_sel==""),(code_dpt_sel==""));
					objDpt.options[1]=new Option("01 - Ain","01",(code_dpt_sel=="01"),(code_dpt_sel=="01"));
						objDpt.options[2]=new Option("07 - Ardèche","07",(code_dpt_sel=="07"),(code_dpt_sel=="07"));
						objDpt.options[3]=new Option("69 - Rhône","69",(code_dpt_sel=="69"),(code_dpt_sel=="69"));
						objDpt.options[4]=new Option("74 - Haute Savoie","74",(code_dpt_sel=="74"),(code_dpt_sel=="74"));
			}

				
		var i;
		for(i=0;i<objDpt.options.length;i++)
		{
			if (objDpt.options[i].value==code_dpt_sel)
				objDpt.options[i].selected=true;
		}
	}