var codepaste = function() {
	function expandTab(str, n) {
		return str.replace(/\t/g, (new Array(n + 1)).join(" "));
	}

	function htmlEscape(str) {
		return str.replace(/&/g, "&")
			.replace(/"/g, """)
			.replace(/'/g, "'")
			.replace(/</g, "<")
			.replace(/>/g, ">");
	}

	return {
		translate: function(str, params) {
			if( params.expandTab )
				str = expandTab(str, params.tabWidth);

			return htmlEscape(str);
		},
	};
}();