// Oera problem with indexOf
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(val, fromIndex) {
		if (typeof(fromIndex) != 'number') fromIndex = 0;
		for (var index = fromIndex,len = this.length; index < len; index++)
			if (this[index] == val) return index;
		return -1;
	}
}