function getAjax(servlet, parameters, noeval) {
	var rc = new Ajax.Request(servlet, {method: 'post', parameters: parameters, asynchronous: false});
	try {
		if(noeval) return rc.transport.responseText;
		return eval('('+rc.transport.responseText+')');
	} catch(e) {
		//alert("getAjax (" + servlet + ") :\n\n" + e.name + ":" + e.message + "\n\n" + rc.transport.responseText);
	}
}

function displayContent(servlet, id) {
  Dialog.alert({
  	url: "content/" + servlet, options: {
  		method: 'post',
  		parameters: {action: "getAjax", id: id}
  	}
  	}, {
  		className: "dialog", 
  		width: 730, 
  		height: 550,
  		okLabel: "Schließen"
  	}
  );
}