/**

  * (C) 2007 Andrew Gwozdziewycz <apgwoz@gmail.com>

  * VERSION: 0.1, Released under an MIT License. 

  * URL: http://www.apgwoz.com/textfit/

  **/

 function textFit(node, minfs, maxfs, width, height) {

     var fits = function(sz) {

         node.style.fontSize = sz + 'px';

         return node.offsetWidth <= width && node.offsetHeight <= height;

     };

     var hfs = maxfs - minfs;

     var tst = minfs + Math.ceil(hfs / 2);

     var opsz = node.style.fontSize;

     while ((hfs/2) >= 1) {

         if (fits(tst)) {

             minfs = tst;

         }

         else {

             maxfs = tst;

         }

         hfs = maxfs - minfs;

         tst = minfs + Math.ceil(hfs/2);

     }

     opsz = fits(maxfs) ? maxfs: minfs;

     node.style.fontSize = opsz + 'px';

 }