add: EchoDomUtil.stopPropagation(e); 
context: EchoEventProcessor.processEvent = function(e) {    e = e ? e : window.event;    var eventType = e.type;    if (!e.target && e.srcElement) {        // The Internet Explorer event model stores the target element in the 'srcElement' property of an event.        // Modify the event such the target is retrievable using the W3C DOM Level 2 specified property 'target'.        e.target = e.srcElement;    }    var targetElement = e.target;    var handlerName = null;    while (!handlerName && targetElement) {        if (targetElement.nodeType == 1) { // Element Node            handlerName = EchoEventProcessor.getHandler(eventType, targetElement.getAttribute("id"));        }        if (!handlerName) {            targetElement = targetElement.parentNode;        }    }    e.registeredTarget = targetElement;        if (!handlerName) {        return;    }    var handler;    try {        handler = eval(handlerName);    } catch (ex) {        throw "Invalid handler: " + handlerName + " (" + ex + ")";    }        handler(e);};
meta: 498	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/498/054e65c3a6da6f8dde4120b5be02f34047efb967/ClientEngine.js/clean/src/webrender/java/nextapp/echo2/webrender/resource/ClientEngine.js