function SubmitForm() {
		 if  (document.testform.nom.value.length < 2) {
           alert('Por favor Indique su nombre');
					 document.testform.nom.focus();
		       return false;
         }

			   if  (document.testform.testestformield1.value.length < 4) {
           alert('Por favor Indique su llegada');
					 document.testform.testestformield1.focus();
		       return false;
         }	
		 
		 if  (document.testform.testestformield2.value.length < 4) {
           alert('Por favor Indique su partida');
					 document.testform.testestformield2.focus();
		       return false;
         }
		 
		 		 if  (document.testform.email_resa.value.length < 2) {
           alert('Por favor Indique su email');
					 document.testform.email_resa.focus();
		       return false;
         }	
		 		 if  (document.testform.tel.value.length < 2) {
           alert('Por favor Indique su teléfono.');
					 document.testform.tel.focus();
		       return false;
         }
 

	
		 if (! CheckEmail()) {
					 document.testform.email_resa.focus();
		       return false;
	       }
	    }
		


function CheckEmail() {
				  if  (document.testform.email_resa.value == '') {
            alert('Por favor Indique su email');
		        return false;
					}
				  chaine = document.testform.email_resa.value;
				  if (chaine.length >= 5) {
					  position = chaine.indexOf('@',1);
					  if (position > 0 && position < chaine.length) {
					  	domaine = chaine.substr(position+1);
						  adresse = chaine.substring(0, position);
						  position = domaine.indexOf('.',1);
						  if (position > 0 && position < domaine.length) {
						  	if (NoSymbol(adresse) && NoSymbol(domaine)) return true;
						  }
					  }
				  }
				  alert('El email no esta valide');
		      return false;
				}
						
				function NoSymbol(chaine) {
					symbols = '()<>@,;:\\[] "';
					for (i = 0; i < chaine.length; i++) {
						if (symbols.indexOf(chaine.substr(i,1)) != -1) return false;
					}
					return true;
				}
				
				
				
function ChangeStatut(testform) {
if(testform.regagree.checked == true) {testform.validation.disabled = false }
if(testform.regagree.checked == false) {testform.validation.disabled = true }
}