/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

/**************************
	TOOLBOX FUNCTIONS
**************************/
$(document).ready(function(){
	
	Array.prototype.indexOf = function(a) {
		for (var i in this) {
			if (this[i]==a) {
				return i;
			}
		} 
		return false;
	}
	
	/*
	 * jQuery: Change line height
	 */
	
	var line_heights = Array('1.3', '1.4', '1.5');
	
	if($.cookie('lineheight') == null) {
		$.cookie('lineheight', line_heights[0], { expires: 7, path: '/', domain: '', secure: false });
	}
	
	$("#content").css({
		'line-height': $.cookie('lineheight') 
	});
	
	$(".lineheight").click(function() {
		var line_height = parseFloat(line_heights.indexOf($.cookie('lineheight'))) + parseFloat(1);
		if(line_height == line_heights.length) {
			new_height = line_heights[0];
		} else {
			new_height = line_heights[line_height];	
		}
		$.cookie('lineheight', new_height, { expires: 7, path: '/', domain: '', secure: false });
		$("#content").css({
			'line-height': new_height
		});
		return false;
	});
	
	/*
	 * jQuery: Change line height
	 */
	
	var font_sizes = Array('1.08', '1.17', '1.33');
	
	if($.cookie('fontsize') == null) {
		$.cookie('fontsize', font_sizes[0], { expires: 7, path: '/', domain: '', secure: false });
	}
	
	$("#content").css({
		'font-size': $.cookie('fontsize')+'em'
	});
	
	$(".textsize").click(function() {
		var font_size = parseFloat(font_sizes.indexOf($.cookie('fontsize'))) + parseFloat(1);
		if(font_size == font_sizes.length) {
			new_size = font_sizes[0];
		} else {
			new_size = font_sizes[font_size];	
		}
		$.cookie('fontsize', new_size, { expires: 7, path: '/', domain: '', secure: false });
		$("#content").css({
			'font-size': new_size + "em" 
		});
		return false;
	});

	
	/*
	 * jQuery: Print document
	 */
	
	$(".print").click(function(){
		print();
		return false;
	});

});