var $jq = jQuery.noConflict();

$jq(document).ready(function() {
	
	$jq( '#mailformzeitraum, #mailformalternativzeitraum' ).change( function() {

		var start = $jq( this ).val();
		var ende = false;
		
		switch( start ) {
			case "09:00":
				ende = "11:30";
				break;
			case "09:30":
				ende = "12:00";
				break;
			case "10:00":
				ende = "12:30";
				break;
			case "10:30":
				ende = "13:00";
				break;
			case "11:00":
				ende = "13:30";
				break;
			case "11:30":
				ende = "14:00";
				break;
			case "12:00":
				ende = "14:30";
				break;
			case "12:30":
				ende = "15:00";
				break;
			case "13:00":
				ende = "15:30";
				break;
			case "13:30":
				ende = "16:00";
				break;
			case "14:00":
				ende = "16:30";
				break;
			case "14:30":
				ende = "17:00";
				break;
			case "15:00":
				ende = "17:30";
				break;
			case "15:30":
				ende = "18:00";
				break;
			default:
				ende = "11:30";
		    	break;
		}
		
		$jq( '#jq_' + $jq( this ).attr( 'id' ) ).html( " - " + ende );
		
	});
	
});