/////////////////////////////////////////////////
// CAMBIO DE CARACTERES DE UN STRING
String.prototype.replace = function (oldCrap, goodStuff) {
	var tempShit = "";
	var i = 0;
	if (oldCrap == "") {
		return this;
	}
	if (this.indexOf (oldCrap) != -1) {
		while ((bla = this.indexOf (oldCrap, i)) != -1) {
			tempShit += this.substring (i, bla);
			tempShit += goodStuff;
			i = bla + oldCrap.length;
		}
		return tempShit + this.substring (i);
	} else {
		return this;
	}
};

 /* EXAMPLE USAGE: */
//var oldString = "bla bla 1";
//var newString:String = oldString.replace ("1", "2");
//Result >> bla bla 2