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Object.extend(Event, {
OnLoad : function (fn) {
// opera onload is in document, not window
var w = document.addEventListener && !window.addEventListener ? document : window;
Event.__observe(w,'load',fn);
},
observe: function(elements, name, observer, useCapture) {
if(!isList(elements))
return this.__observe(elements, name, observer, useCapture);
for(var i=0; i<elements.length; i++)
this.__observe(elements[i], name, observer, useCapture);
},
__observe: function(element, name, observer, useCapture) {
var element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
((navigator.appVersion.indexOf('AppleWebKit') > 0)
|| element.attachEvent))
name = 'keydown';
this._observeAndCache(element, name, observer, useCapture);
},
keyCode : function(e)
{
return e.keyCode != null ? e.keyCode : e.charCode
},
isHTMLEvent : function(type)
{
var events = ['abort', 'blur', 'change', 'error', 'focus', 'load', 'reset', 'resize', 'scroll', 'select', 'submit', 'unload'];
return events.include(type);
},
isMouseEvent : function(type)
{
var events = ['click', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup'];
return events.include(type);
},
fireEvent : function(element,type)
{
if(document.createEvent)
{
if(Event.isHTMLEvent(type))
{
var event = document.createEvent('HTMLEvents');
event.initEvent(type, true, true);
}
else if(Event.isMouseEvent(type))
{
var event = document.createEvent('MouseEvents');
event.initMouseEvent(type,true,true,
document.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
}
else
{
if(Logger)
Logger.error("undefined event", type);
return;
}
element.dispatchEvent(event);
}
else if(element.fireEvent)
{
element.fireEvent('on'+type);
element[type]();
}
else
element[type]();
}
});
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