<script src="http://ucozon.ru/SCRIN7/calc.js" type="text/javascript"></script>

<style>  
  html, body, div, span, applet, object, iframe,  
  h1, h2, h3, h4, h5, h6, p, blockquote, pre,  
  a, abbr, acronym, address, big, cite, code,  
  del, dfn, em, img, ins, kbd, q, s, samp,  
  small, strike, strong, sub, sup, tt, var,  
  b, u, i, center,  
  dl, dt, dd, ol, ul, li,  
  fieldset, form, label, legend,  
  table, caption, tbody, tfoot, thead, tr, th, td,  
  article, aside, canvas, details, embed,  
  figure, figcaption, footer, header, hgroup,  
  menu, nav, output, ruby, section, summary,  
  time, mark, audio, video {  
   margin: 0;  
   padding: 0;  
   border: 0;  
   font-size: 100%;  
   font: inherit;  
   vertical-align: baseline;  
  }  

  article, aside, details, figcaption, figure,  
  footer, header, hgroup, menu, nav, section {  
   display: block;  
  }  

  body {  
   line-height: 1;  
  }  

  ol, ul {  
   list-style: none;  
  }  

  blockquote, q {  
   quotes: none;  
  }  

  blockquote:before, blockquote:after,  
  q:before, q:after {  
   content: '';  
   content: none;  
  }  

  table {  
   border-collapse: collapse;  
   border-spacing: 0;  
  }  

  /*  
   * Copyright (c) 2012 Thibaut Courouble  
   * http://www.webinterfacelab.com  
   *  
   * Licensed under the MIT License:  
   * http://www.opensource.org/licenses/mit-license.php  
   */  
  input, button {  
   -webkit-box-sizing: border-box;  
   -moz-box-sizing: border-box;  
   box-sizing: border-box;  
  }  

  ::-moz-focus-inner {  
   padding: 0;  
   border: 0;  
  }  

  @font-face {  
   font-family: 'UbuntuMono';  
   font-style: normal;  
   font-weight: normal;  
   src: url(../fonts/UbuntuMono.woff) format("woff");  
  }  

  /* ========================================================  
   Page  
   ===================================================== */  
  body {  
   font-family: 'Lucida Grande', Tahoma, Verdana, sans-serif;  
   font-size: 12px;  
   font-weight: normal;  
   line-height: 20px;  
   color: #404040;  
   background: #d8e5e5;  
  }  

  /* ========================================================  
   Calculator  
   ===================================================== */  
  .calc {  
   margin: 50px auto;  
   padding: 15px;  
   width: 177px;  
   border: 1px solid #222;  
   border-radius: 4px;  
   background-color: #3d4543;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #3d4543), color-stop(100%, #2f2a2f));  
   background-image: -webkit-linear-gradient(top, #3d4543, #2f2a2f);  
   background-image: -moz-linear-gradient(top, #3d4543, #2f2a2f);  
   background-image: -ms-linear-gradient(top, #3d4543, #2f2a2f);  
   background-image: -o-linear-gradient(top, #3d4543, #2f2a2f);  
   background-image: linear-gradient(top, #3d4543, #2f2a2f);  
   -webkit-box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1), 0 0 4px rgba(0, 0, 0, 0.5);  
   box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1), 0 0 4px rgba(0, 0, 0, 0.5);  
  }  

  .calc-display {  
   margin: 0 0 20px;  
   padding: 3px;  
   background: #222;  
   border-radius: 3px;  
   -webkit-box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.08);  
   box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.08);  
  }  

  .calc-display-input {  
   display: block;  
   width: 100%;  
   padding: 0 8px;  
   font: 26px/35px UbuntuMono, monospace;  
   color: #444;  
   height: 35px;  
   text-align: right;  
   background-clip: padding-box;  
   /* Don't let the background bleed outside the border */  
   border: 1px solid #222;  
   border-radius: 2px;  
   background-color: #bccd95;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #bccd95), color-stop(100%, #e0f5b1));  
   background-image: -webkit-linear-gradient(top, #bccd95, #e0f5b1);  
   background-image: -moz-linear-gradient(top, #bccd95, #e0f5b1);  
   background-image: -ms-linear-gradient(top, #bccd95, #e0f5b1);  
   background-image: -o-linear-gradient(top, #bccd95, #e0f5b1);  
   background-image: linear-gradient(top, #bccd95, #e0f5b1);  
   -webkit-box-shadow: inset 0 2px 3px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.12);  
   box-shadow: inset 0 2px 3px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.12);  
  }  

  .calc-row {  
   margin-top: 7px;  
   zoom: 1;  
  }  
  .calc-row:before, .calc-row:after {  
   content: "";  
   display: table;  
  }  
  .calc-row:after {  
   clear: both;  
  }  

  .calc-button {  
   float: left;  
   padding: 0;  
   margin: 0 0 0 7px;  
   width: 39px;  
   font: 14px/23px UbuntuMono, monospace;  
   color: white;  
   text-align: center;  
   text-shadow: 0 1px rgba(0, 0, 0, 0.4);  
   text-decoration: none;  
   background-clip: padding-box !important;  
   /* !important because FF overrides the value on :active */  
  ; border: 0;  
   /* IE 8 fix */  
   border: 1px solid rgba(0, 0, 0, 0.8);  
   border-radius: 3px;  
   cursor: pointer;  
   background-color: #313131;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #313131), color-stop(100%, #1c1c1c));  
   background-image: -webkit-linear-gradient(top, #313131, #1c1c1c);  
   background-image: -moz-linear-gradient(top, #313131, #1c1c1c);  
   background-image: -ms-linear-gradient(top, #313131, #1c1c1c);  
   background-image: -o-linear-gradient(top, #313131, #1c1c1c);  
   background-image: linear-gradient(top, #313131, #1c1c1c);  
   -webkit-box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 1px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08);  
   box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 1px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08);  
  }  
  .calc-button:first-child {  
   margin-left: 0;  
  }  
  .calc-button:active {  
   background: #282828;  
   -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6), 0 1px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.05);  
   box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6), 0 1px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.05);  
  }  

  .calc-button-gray {  
   background-color: #6f6f6f;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #6f6f6f), color-stop(100%, #515151));  
   background-image: -webkit-linear-gradient(top, #6f6f6f, #515151);  
   background-image: -moz-linear-gradient(top, #6f6f6f, #515151);  
   background-image: -ms-linear-gradient(top, #6f6f6f, #515151);  
   background-image: -o-linear-gradient(top, #6f6f6f, #515151);  
   background-image: linear-gradient(top, #6f6f6f, #515151);  
  }  
  .calc-button-gray:active {  
   background: #555;  
  }  

  .calc-button-red {  
   background-color: #ff4561;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ff7286), color-stop(100%, #ff4561));  
   background-image: -webkit-linear-gradient(top, #ff7286, #ff4561);  
   background-image: -moz-linear-gradient(top, #ff7286, #ff4561);  
   background-image: -ms-linear-gradient(top, #ff7286, #ff4561);  
   background-image: -o-linear-gradient(top, #ff7286, #ff4561);  
   background-image: linear-gradient(top, #ff7286, #ff4561);  
  }  
  .calc-button-red:active {  
   background: #ff4561;  
  }  

  .calc-button-yellow {  
   background-color: #ffa70c;  
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ffb935), color-stop(100%, #ffa70c));  
   background-image: -webkit-linear-gradient(top, #ffb935, #ffa70c);  
   background-image: -moz-linear-gradient(top, #ffb935, #ffa70c);  
   background-image: -ms-linear-gradient(top, #ffb935, #ffa70c);  
   background-image: -o-linear-gradient(top, #ffb935, #ffa70c);  
   background-image: linear-gradient(top, #ffb935, #ffa70c);  
  }  
  .calc-button-yellow:active {  
   background: #ffa70c;  
  }  

  .calc-button-big {  
   font-size: 16px;  
  }  

  .lt-ie8 .calc-display-input {  
   width: 152px;  
  }  

  /* border-box fix */  
  .lt-ie7 .calc-row {  
   margin-left: -7px;  
  }  
  </style>  

  <form class="calc">   
   <p class="calc-display">   
   <input type="text" name="res" id="res" value="UCOZON.RU" class="calc-display-input" onfocus="this.blur()">   
   </p>   
   <p class="calc-row">   
   <button type="button" class="calc-button calc-button-gray" onclick="s('Just....')">mrc</button>   
   <button type="button" class="calc-button calc-button-gray" onclick="s('....do..')">m-</button>   
   <button type="button" class="calc-button calc-button-gray" onclick="s('......it')">m+</button>   
   <button type="button" class="calc-button calc-button-red calc-button-big" onclick="a('/')">÷</button>   
   </p>   
   <p class="calc-row">   
   <button type="button" class="calc-button" onclick="a('7')">7</button>   
   <button type="button" class="calc-button" onclick="a('8')">8</button>   
   <button type="button" class="calc-button" onclick="a('9')">9</button>   
   <button type="button" class="calc-button calc-button-red calc-button-big" onclick="a('*')">x</button>   
   </p>   
   <p class="calc-row">   
   <button type="button" class="calc-button" onclick="a('4')">4</button>   
   <button type="button" class="calc-button" onclick="a('5')">5</button>   
   <button type="button" class="calc-button" onclick="a('6')">6</button>   
   <button type="button" class="calc-button calc-button-red calc-button-big" onclick="a('-')">-</button>   
   </p>   
   <p class="calc-row">   
   <button type="button" class="calc-button" onclick="a('1')">1</button>   
   <button type="button" class="calc-button" onclick="a('2')">2</button>   
   <button type="button" class="calc-button" onclick="a('3')">3</button>   
   <button type="button" class="calc-button calc-button-red calc-button-big" onclick="a('+')">+</button>   
   </p>   
   <p class="calc-row">   
   <button type="button" class="calc-button" onclick="a('0')">0</button>   
   <button type="button" class="calc-button" onclick="a('.')">.</button>   
   <button type="button" class="calc-button" onclick="s('')">C</button>   
   <button type="button" class="calc-button calc-button-yellow calc-button-big" onclick="e()">=</button>   
   </p>   
   </form>   

   <script>   
   function s(v) { document.getElementById('res').value = v }   
   function a(v) { document.getElementById('res').value += v }   
   function e() { try { s(eval(document.getElementById('res').value)) } catch(e) { s('Error') } }   
   </script>