Add event listeners for all browsers at once.
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Not my own code but works like a charm!
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//*** This code is copyright 2003 by Gavin Kistner, gavin@refinery.com
//*** It is covered under the license viewable at http://phrogz.net/JS/_ReuseLicense.txt
//*** Reuse or modification is free provided you abide by the terms of that license.
//*** (Including the first two lines above in your source code satisfies the conditions.)
//***Cross browser attach event function. For 'evt' pass a string value with the leading "on" omitted
//***e.g. AttachEvent(window,'load',MyFunctionNameWithoutParenthesis,false);
function AttachEvent(obj,evt,fnc,useCapture){
if (!useCapture) useCapture=false;
if (obj.addEventListener){
obj.addEventListener(evt,fnc,useCapture);
return true;
} else if (obj.attachEvent) return obj.attachEvent("on"+evt,fnc);
else{
MyAttachEvent(obj,evt,fnc);
obj['on'+evt]=function(){ MyFireEvent(obj,evt) };
}
}
//The following are for browsers like NS4 or IE5Mac which don't support either
//attachEvent or addEventListener
function MyAttachEvent(obj,evt,fnc){
if (!obj.myEvents) obj.myEvents={};
if (!obj.myEvents[evt]) obj.myEvents[evt]=[];
var evts = obj.myEvents[evt];
evts[evts.length]=fnc;
}
function MyFireEvent(obj,evt){
if (!obj || !obj.myEvents || !obj.myEvents[evt]) return;
var evts = obj.myEvents[evt];
for (var i=0,len=evts.length;i<len;i++) evts[i]();
}
