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	compat.js - jscancer - Javascript crap (relatively small)
	git clone git://git.codemadness.org/jscancer
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	---
	compat.js (1922B)
	---
	1 if (typeof(Array) != "undefined" && typeof(Element) != "undefined" &&
	2 typeof(Event) != "undefined" && typeof(String) != "undefined") {
	3 if (!Array.prototype.indexOf)
	4 Array.prototype.indexOf = function(s) {
	5 if (!(s in this))
	6 return -1;
	7 for (var i = 0; i < this.length; i++)
	8 if (this[i] === s)
	9 return i;
	10 return -1;
	11 };
	12 if (!Array.prototype.map)
	13 Array.prototype.map = function(fn) {
	14 var l = [];
	15 for (var i = 0; i < this.length; i++)
	16 l.push(fn(this[i]));
	17 return l;
	18 };
	19 if (!document.getElementsByClassName)
	20 Element.prototype.getElementsByClassName = document.getE…
	21 var els = this.getElementsByTagName("*"), l = [],
	22 p = new RegExp("(^\|\\s)" + classname + "…
	23 for (var i = 0; i < els.length; i++)
	24 if (p.test(els[i].className))
	25 l.push(els[i]);
	26 return l;
	27 };
	28 if (!document.addEventListener)
	29 // NOTE: capture is ignored if addEventListener is not s…
	30 if (this.attachEvent) // IE DOM
	31 Element.prototype.addEventListener = document.ad…
	32 this.attachEvent("on" + ev, function(e) {
	33 // fixup some standard event pro…
	34 if (typeof(e) == "undefined")
	35 e = window.event;
	36 e.target = typeof(e.target) != "…
	37 e.which = typeof(e.which) != "un…
	38 return fn.apply(this, arguments);
	39 });
	40 };
	41 if (!document.removeEventListener)
	42 if (this.detachEvent) // IE DOM
	43 Element.prototype.removeEventListener = document…
	44 this.detachEvent("on" + ev, fn);
	45 };
	46 if (!Event.prototype.stopPropagation)
	47 Event.prototype.stopPropagation = function() {
	48 window.event.cancelBubble = true;
	49 return false;
	50 };
	51 if (!String.trim)
	52 String.prototype.trim = function() {
	53 return this.replace(/^\s+\|\s+$/g, "");
	54 };
	55 }