Import from DCARF SVN

include/pear/data/HTML_AJAX/js/Compat.js

@@ -0,0 +1,122 @@
+/**
+ * Compat functions
+ * @category	HTML
+ * @package	AJAX
+ * @author	Joshua Eichorn <josh@bluga.net>
+ * @copyright	2005 Joshua Eichorn
+ * @license	http://www.opensource.org/licenses/lgpl-license.php  LGPL
+ */
+/**
+ *  Functions for compatibility with older browsers
+ */
+if (!String.fromCharCode && !String.prototype.fromCharCode) {
+	String.prototype.fromCharCode = function(code)
+	{
+		var h = code.toString(16);
+		if (h.length == 1) {
+			h = '0' + h;
+		}
+		return unescape('%' + h);
+	}
+}
+if (!String.charCodeAt && !String.prototype.charCodeAt) {
+	String.prototype.charCodeAt = function(index)
+	{
+		var c = this.charAt(index);
+		for (i = 1; i < 256; i++) {
+			if (String.fromCharCode(i) == c) {
+				return i;
+			}
+		} 
+	}
+}
+// http://www.crockford.com/javascript/remedial.html
+if (!Array.splice && !Array.prototype.splice) {
+	Array.prototype.splice = function(s, d)
+	{
+		var max = Math.max,
+		min = Math.min,
+		a = [], // The return value array
+		e,  // element
+		i = max(arguments.length - 2, 0),   // insert count
+		k = 0,
+		l = this.length,
+		n,  // new length
+		v,  // delta
+		x;  // shift count
+
+		s = s || 0;
+		if (s < 0) {
+			s += l;
+		}
+		s = max(min(s, l), 0);  // start point
+		d = max(min(typeof d == 'number' ? d : l, l - s), 0);	// delete count
+		v = i - d;
+		n = l + v;
+		while (k < d) {
+			e = this[s + k];
+			if (!e) {
+				a[k] = e;
+			}
+			k += 1;
+		}
+		x = l - s - d;
+		if (v < 0) {
+			k = s + i;
+			while (x) {
+				this[k] = this[k - v];
+				k += 1;
+				x -= 1;
+			}
+			this.length = n;
+		} else if (v > 0) {
+			k = 1;
+			while (x) {
+				this[n - k] = this[l - k];
+				k += 1;
+				x -= 1;
+			}
+		}
+		for (k = 0; k < i; ++k) {
+			this[s + k] = arguments[k + 2];
+		}
+		return a;
+	}
+}
+if (!Array.push && !Array.prototype.push) {
+	Array.prototype.push = function()
+	{
+		for (var i = 0, startLength = this.length; i < arguments.length; i++) {
+			this[startLength + i] = arguments[i];
+		}
+		return this.length;
+	}
+}
+if (!Array.pop && !Array.prototype.pop) {
+	Array.prototype.pop = function()
+	{
+		return this.splice(this.length - 1, 1)[0];
+	}
+}
+/*
+	From IE7, version 0.9 (alpha) (2005-08-19)
+	Copyright: 2004-2005, Dean Edwards (http://dean.edwards.name/)
+*/
+if (!DOMParser.parseFromString && window.ActiveXObject)
+{
+function DOMParser() {/* empty constructor */};
+DOMParser.prototype = {
+	parseFromString: function(str, contentType) {
+		var xmlDocument = new ActiveXObject('Microsoft.XMLDOM');
+		xmlDocument.loadXML(str);
+		return xmlDocument;
+	}
+};
+
+function XMLSerializer() {/* empty constructor */};
+XMLSerializer.prototype = {
+	serializeToString: function(root) {
+		return root.xml || root.outerHTML;
+	}
+};
+}