if(!document.observe){throw"prototype.js is required!";}
if(!A4J||!A4J.AJAX||!A4J.AJAX.AddListener){throw"AJAX script is required!";}
if(!window.Richfaces){window.Richfaces={};}
Object.extend(Richfaces,function(){var _queueLength=0;var _available={};var _pollingActivated=false;var _lastEltId=null;var executeCallback=function(elt,callbacks){if(callbacks instanceof Array){for(var i=0;i<callbacks.length;i++){callbacks[i](elt);}}else{callbacks(elt);}};var stopPolling=function(){if(_pollingActivated){Event.stopObserving(document,"mouseover",onEvent,true);Event.stopObserving(document,"focus",onEvent,true);Event.stopObserving(document,"focusin",onEvent,true);_pollingActivated=false;_lastEltId=null;}}
var onEvent=function(event){var elt=Event.element(event);while(elt){var id=elt.id;if(id){if(!_lastEltId){_lastEltId=id;}else if(_lastEltId==id){break;}
var callbacks=_available[id];if(callbacks){try{executeCallback(elt,callbacks);}catch(e){cleanup();throw e;}
delete _available[id];if(--_queueLength==0){stopPolling();break;}}}
elt=elt.parentNode;}};var activatePolling=function(){if(!_pollingActivated){Event.observe(document,"mousemove",onEvent,true);Event.observe(document,"focus",onEvent,true);Event.observe(document,"focusin",onEvent,true);_pollingActivated=true;}};var cleanup=function(){try{stopPolling();_queueLength=0;_available={};}catch(e){LOG.error("Error occured during cleanup: "+e);}};var onReady=function(){try{for(var id in _available){var elt=$(id);if(elt){executeCallback(elt,_available[id]);}else{LOG.error("Element with id = "+id+" hasn't been found!");}}}finally{cleanup();}};var onAvailable=function(eltId,callback){var elt=$(eltId);if(elt){callback(elt);}else{var a=_available[eltId];if(!a){_available[eltId]=callback;_lastEltId=null;_queueLength++;activatePolling();}else{if(a instanceof Array){a.push(callback)}else{var ar=new Array();ar.push(a);ar.push(callback);_available[eltId]=ar;}}}};A4J.AJAX.AddListener(onReady);document.observe("dom:loaded",onReady);return{onAvailable:onAvailable};}());