function registerParticipant()
{
	var nachname = document.getElementById('nachname').value;
	var vorname = document.getElementById('vorname').value;
	var sex = document.getElementById('sex').value;
	var jahrgang = document.getElementById('jahrgang').value;
	var email = document.getElementById('email').value;
	var jahr = document.getElementById('jahr').value;

	new Ajax.Request('ajaxScripts/registerParticipant.php' ,
				 { method: 'get' ,
				   parameters : {nachname:nachname, vorname:vorname, sex:sex, jahrgang:jahrgang, email:email, jahr:jahr} ,
				   onSuccess: function(resp){
		  		  	   alert(resp.responseText);
   	  			   },
   		  		   onFailure: function(resp) {
   			  		   alert(resp.responseText);
   		  		   }
				 }
   	);

   	listParticipants('admin', jahr, '');
}

function listParticipants(usr, jahr, searchExpr)
{
	new Ajax.Request('ajaxScripts/listParticipants.php' ,
				 { method: 'get' ,
				   parameters : {usr:usr, jahr:jahr, searchExpr:searchExpr} ,
				   onSuccess: function(resp){
		  		  	   $('participantList').innerHTML = resp.responseText;
   	  			   },
   		  		   onFailure: function(resp) {
   			  		   alert(resp.responseText);
   		  		   }
				 }
   	);
}