///  <summary>
 ///  Draws the map.
 ///  </summary>
 ///  <param name="helper">The helper.</param>
 ///  <param name="key">The key.</param>
 ///  <param name="jsonUrl">The json URL.</param>
 ///  <param name="mapWidth">Width of the map.</param>
 ///  <param name="mapHeight">Height of the map.</param>
 ///  <returns>The html of the map.</returns>
 public static string DrawMap(this HtmlHelper helper, string key, string jsonUrl, string mapWidth, string mapHeight)
 {
 StringBuilder mapHtml = new StringBuilder();

 // Google Maps API Link
 mapHtml.Append("<script src=\\"http://maps.google.com/maps");
 mapHtml.Append("?file=api&amp;v=2&amp;sensor=false&amp;key=");
 mapHtml.Append(key);
 mapHtml.Append("\\" type=\\"text/javascript\\"></script>");

 // Hidden value
 mapHtml.Append("<input type=\\"hidden\\" ");
 mapHtml.Append("id=\\"MarkerUrl\\" value=\\"");
 mapHtml.Append(jsonUrl);
 mapHtml.Append("\\" />");

 // Map Div
 mapHtml.Append("<div id=\\"map\\" style=\\"width: ");
 mapHtml.Append(mapWidth);
 mapHtml.Append("px; height: ");
 mapHtml.Append(mapHeight);
 mapHtml.Append("px\\"></div>");

 // Maps javascript file
 mapHtml.Append("<script type=\\"text/javascript\\" ");
 mapHtml.Append("src=\\"/Content/GoogleMapping.js\\"></script>");
 return mapHtml.ToString();
 }