	function valid() {
	  	err=0;
	  	if (document.formdevis.nom_.value=='' || document.formdevis.contact_mail.value=='' || document.formdevis.adr_.value=='' || document.formdevis.typeS.value=='null'){ erreur="Les champs suivants sont obligatoires \n"; }
			if (document.formdevis.nom_.value==''){ err=1; erreur=erreur+'\n  - Votre Nom'; }
			if (document.formdevis.contact_mail.value==''){ err=1; erreur=erreur+'\n  - Votre adresse email'; }
			if (document.formdevis.contact_tel.value==''){ err=1; erreur=erreur+'\n  - Votre numero de telephone'; }
			if (document.formdevis.adr_.value==''){ err=1; erreur=erreur+'\n  - Adresse du projet'; } 
			if (document.formdevis.typeS.value=='null'){ err=1; erreur=erreur+'\n  - Sectionnez le modele du spa'; }
			if (err==1) {alert(erreur)}else{ document.formdevis.submit()}
	}
	
	function select_type_midi(){
       document.getElementById(1).style.display = "none";
       document.getElementById(2).style.display = "none";
       document.getElementById(3).style.display = "none";
       document.getElementById(4).style.display = "none";
       document.getElementById(5).style.display = "none";
       document.getElementById(66).style.display = "block";
   }
	 function select_type_aquitaine(){
       document.getElementById(1).style.display = "none";
       document.getElementById(2).style.display = "none";
       document.getElementById(3).style.display = "none";
       document.getElementById(4).style.display = "none";
       document.getElementById(5).style.display = "block";
       document.getElementById(66).style.display = "none";
   }
	 function select_type_provence(){
       document.getElementById(1).style.display = "none";
       document.getElementById(2).style.display = "none";
       document.getElementById(3).style.display = "none";
       document.getElementById(4).style.display = "block";
       document.getElementById(5).style.display = "none";
       document.getElementById(66).style.display = "none";
   }
   function select_type_lorraine(){
       document.getElementById(1).style.display = "none";
       document.getElementById(2).style.display = "none";
       document.getElementById(3).style.display = "block";
       document.getElementById(4).style.display = "none";
       document.getElementById(5).style.display = "none";
       document.getElementById(66).style.display = "none";
   }
   function select_type_azur(){
       document.getElementById(1).style.display = "none";
       document.getElementById(2).style.display = "block";
       document.getElementById(3).style.display = "none";
       document.getElementById(4).style.display = "none";
       document.getElementById(5).style.display = "none";
       document.getElementById(66).style.display = "none";
   }
   
   
   function select_type_vide(){
       document.getElementById(1).style.display = "block";
       document.getElementById(2).style.display = "none";
       document.getElementById(3).style.display = "none";
       document.getElementById(4).style.display = "none";
       document.getElementById(5).style.display = "none";
       document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
   
   function select_me(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "block";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
      function select_ml(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "block";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
      function select_mp(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "block";
       document.getElementById(26).style.display = "none";
   }
      function select_mr(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "block";
   }
   
   function select_ae(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "block";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
      function select_al(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "block";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
      function select_ap(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "block";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
      function select_ar(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "block";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
     function select_le(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "block";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
    function select_ll(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "block";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
    function select_lp(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "block";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
    function select_lr(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "block";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
       function select_te(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "block";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
       function select_tl(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "block";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
       function select_tp(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "block";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
       function select_tr(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "block";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
   function select_ee(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "block";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
   function select_el(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "block";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
   function select_ep(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "block";
       document.getElementById(22).style.display = "none";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }
   function select_er(){
   		 document.getElementById(6).style.display = "none";
       document.getElementById(7).style.display = "none";
       document.getElementById(8).style.display = "none";
       document.getElementById(9).style.display = "none";
       document.getElementById(10).style.display = "none";
       document.getElementById(11).style.display = "none";
       document.getElementById(12).style.display = "none";
       document.getElementById(13).style.display = "none";
       document.getElementById(14).style.display = "none";
       document.getElementById(15).style.display = "none";
       document.getElementById(16).style.display = "none";
       document.getElementById(17).style.display = "none";
       document.getElementById(18).style.display = "none";
       document.getElementById(19).style.display = "none";
       document.getElementById(20).style.display = "none";
       document.getElementById(21).style.display = "none";
       document.getElementById(22).style.display = "block";
       document.getElementById(23).style.display = "none";
       document.getElementById(24).style.display = "none";
       document.getElementById(25).style.display = "none";
       document.getElementById(26).style.display = "none";
   }

    function affiche(value){
		   if (value=='null'){
		       select_type_vide()
		   }else if(value=='azur_elite'){
		        select_type_azur(); select_ae();
		   }else if(value=='azur_luxor'){
		        select_type_azur(); select_al();
		   }else if(value=='azur_premium'){
		        select_type_azur(); select_ap();
		   }else if(value=='azur_relax'){
		        select_type_azur(); select_ar(); 
		   }else if(value=='lorraine_elite'){
		        select_type_lorraine(); select_le();
		   }else if(value=='lorraine_luxor'){
		   			select_type_lorraine(); select_ll();
		   }else if(value=='lorraine_premium'){
		   			select_type_lorraine(); select_lp();
		   }else if(value=='lorraine_relax'){     
		   			select_type_lorraine(); select_lr();
		   }else if(value=='provence_elite'){
		        select_type_provence(); select_te();
		   }else if(value=='provence_luxor'){
		        select_type_provence(); select_tl();
		   }else if(value=='provence_premium'){
		        select_type_provence(); select_tp();
		   }else if(value=='provence_relax'){
		        select_type_provence(); select_tr();             
		   }else if(value=='aquitaine_elite'){
		        select_type_aquitaine(); select_ee();
		   }else if(value=='aquitaine_luxor'){
		        select_type_aquitaine(); select_el();
		   }else if(value=='aquitaine_premium'){
		        select_type_aquitaine(); select_ep();
		   }else if(value=='aquitaine_relax'){
		        select_type_aquitaine(); select_er();               
		   }else if(value=='midi_elite'){
		        select_type_midi(); select_me();
		   }else if(value=='midi_luxor'){
		        select_type_midi(); select_ml();
		   }else if(value=='midi_premium'){
		        select_type_midi(); select_mp();
		   }else if(value=='midi_relax'){
		        select_type_midi(); select_mr();               
		   }
    }
											
