// +-----------------------------------------+
// | Array functions that are missing in IE 5.0  |
// | Author: Cezary Tomczak [www.gosu.pl]   |
// | Free for any use as long as all copyright messages are intact. |
// +----------------------------------------+
if (!Array.prototype.pop){Array.prototype.pop=function(){var last; if (this.length){last = this[this.length - 1];this.length -= 1;};return last;};}
if (!Array.prototype.push){Array.prototype.push=function(){for (var i = 0; i < arguments.length; ++i) {this[this.length] = arguments[i];};return this.length;};}
if (!Array.prototype.shift){Array.prototype.shift=function(){var first;if (this.length){first=this[0];for (var i = 0; i < this.length - 1; ++i){this[i] = this[i + 1];};this.length -= 1;};return first;};}
if (!Array.prototype.unshift){Array.prototype.unshift=function(){if (arguments.length){var i, len = arguments.length;for (i = this.length + len - 1; i >= len; --i) {this[i] = this[i - len];};for (i = 0; i < len; ++i){this[i] = arguments[i];}};return this.length;};}
if (!Array.prototype.splice){Array.prototype.splice = function(index, howMany) {var elements = [], removed = [], i;for (i = 2; i < arguments.length; ++i) {elements.push(arguments[i]);};for (i = index; (i < index + howMany) && (i < this.length); ++i){removed.push(this[i]);};for (i = index + howMany; i < this.length; ++i) {this[i - howMany] = this[i];};this.length -= removed.length;for (i = this.length + elements.length - 1; i >= index + elements.length; --i) {this[i] = this[i - elements.length];};for (i = 0; i < elements.length; ++i){this[index + i] = elements[i];};return removed;};}