http://adm-tavda.ru/sites/all/modules/text_resize/text_resize.js?w

1// $Id $
2Drupal.behaviors.textResize = function(context) {
3  // Which div or page element are we resizing?
4  if (text_resize_scope) { // Admin-specified scope takes precedence.
5    if ($('#'+text_resize_scope).length > 0) {
6      var element_to_resize = $('#'+text_resize_scope); // ID specified by admin
7    }
8    else if ($('.'+text_resize_scope).length > 0) {
9      var element_to_resize = $('.'+text_resize_scope); // CLASS specified by admin
10    }
11    else {
12      var element_to_resize = $(text_resize_scope); // It's just a tag specified by admin
13    }
14	}
15	else { // Look for some default scopes that might exist.
16    if ($('DIV.left-corner').length > 0) {
17      var element_to_resize = $('DIV.left-corner'); // Main body div for Garland
18    }
19    else if ($('#content-inner').length > 0) {
20      var element_to_resize = $('#content-inner'); // Main body div for Zen-based themes
21    }
22    else if ($('#squeeze > #content').length > 0) {
23      var element_to_resize = $('#squeeze > #content'); // Main body div for Zen Classic
24    }
25	}
26  // Set the initial font size if necessary
27  if ($.cookie('text_resize') != null) {
28    element_to_resize.css('font-size', parseFloat($.cookie('text_resize')) + 'px');
29    //alert( "Should be size: " + $.cookie('text_resize'));
30  }
31  else {
32    //alert('Couldn\'t find text_resize cookie.');
33  }
34  if (text_resize_line_height_allow) {
35    //alert('line height adjustment allowed! The current line-height is '+parseFloat(element_to_resize.css('line-height'), 10));
36		// Set the initial line height if necessary
37    if ($.cookie('text_resize_line_height') != null) {
38      element_to_resize.css('line-height', parseFloat($.cookie('text_resize_line_height')) + 'px');
39    }
40	}
41  // Changer links will change the text size when clicked
42  $('a.changer').click(function() {
43    // Set the current font size of the specified section as a variable
44    var currentFontSize = parseFloat(element_to_resize.css('font-size'), 10);
45		//alert('currentFontSize = '+currentFontSize);
46		// Set the current line-height
47		var current_line_height = parseFloat(element_to_resize.css('line-height'), 10);
48		//alert('current_line_height = '+current_line_height);
49    // javascript lets us choose which link was clicked, by ID
50    if (this.id == 'text_resize_increase') {
51      var new_font_size = currentFontSize * 1.2;
52      if (text_resize_line_height_allow) { var new_line_height = current_line_height * 1.2; }
53      // Allow resizing as long as font size doesn't go above text_resize_maximum.
54      if (new_font_size <= text_resize_maximum) {
55        $.cookie('text_resize', new_font_size, { path: '/' });
56        if (text_resize_line_height_allow) { $.cookie('text_resize_line_height', new_line_height, { path: '/' }); }
57        var allow_change = true;
58      }
59      else {
60				$.cookie('text_resize', text_resize_maximum, { path: '/' });
61        if (text_resize_line_height_allow) { $.cookie('text_resize_line_height', text_resize_line_height_max, { path: '/' }); }
62        var reset_size_max = true;
63			}
64    }
65    else if (this.id == 'text_resize_decrease') {
66      var new_font_size = currentFontSize / 1.2;
67      if (text_resize_line_height_allow) { var new_line_height = current_line_height / 1.2; }
68      if (new_font_size >= text_resize_minimum) {
69        // Allow resizing as long as font size doesn't go below text_resize_minimum.
70        $.cookie('text_resize', new_font_size, { path: '/' });
71        if (text_resize_line_height_allow) { $.cookie('text_resize_line_height', new_line_height, { path: '/' }); }
72        var allow_change = true;
73      }
74      else {
75        // If it goes below text_resize_minimum, just leave it at text_resize_minimum.
76        $.cookie('text_resize', text_resize_minimum, { path: '/' });
77				if (text_resize_line_height_allow) { $.cookie('text_resize_line_height', text_resize_line_height_min, { path: '/' }); }
78        var reset_size_min = true;
79      }
80    }
81    else if (this.id == 'text_resize_reset') {
82      $.cookie('text_resize', text_resize_minimum, { path: '/' });
83			if (text_resize_line_height_allow) { $.cookie('text_resize_line_height', text_resize_line_height_min, { path: '/' }); }
84      var reset_size_min = true;
85    }
86    // jQuery lets us set the font size value of the main text div
87    if (allow_change == true) {
88      element_to_resize.css('font-size', new_font_size + 'px'); // Add 'px' onto the end, otherwise ems are used as units by default
89			if (text_resize_line_height_allow) { element_to_resize.css('line-height', new_line_height + 'px'); }
90      return false;

91    }
92    else if (reset_size_min == true) {
93      element_to_resize.css('font-size', text_resize_minimum + 'px');
94			if (text_resize_line_height_allow) { element_to_resize.css('line-height', text_resize_line_height_min + 'px'); }
95      return false;
96    }
97    else if (reset_size_max == true) {
98      element_to_resize.css('font-size', text_resize_maximum + 'px');
99			if (text_resize_line_height_allow) { element_to_resize.css('line-height', text_resize_line_height_max + 'px'); }
100      return false;
101    }
102  });
103}