+/*
+* http://www.sitepoint.com/blogs/2006/01/17/javascript-inheritance/
+*/
+
+copyPrototype = function (descendant, parent) {
+ var sConstructor = parent.toString();
+ var aMatch = sConstructor.match( /\s*function (.*)\(/ );
+ if ( aMatch !== null ) { descendant.prototype[aMatch[1]] = parent; }
+ var m;
+ for (m in parent.prototype) {
+ if (parent.prototype.hasOwnProperty(m)) {
+ descendant.prototype[m] = parent.prototype[m]; }
+ }
+};
+