$(document).ready(function(){
  var l = parseInt($('#left-column').height());
  var m = parseInt($('#middle-column').height());
  var r = parseInt($('#right-column').height());

  if(isNaN(l)) l = 0;
  if(isNaN(m)) m = 0;
  if(isNaN(r)) r = 0;
  
  var max = Math.max( Math.max(l, m), r); 
  $('.main-content-wrapper').css('height', ''+(max+20)+'px');

  $('.rounded-block').corner("round 11px").parent().css('padding', '1px').corner("round 12px");
});
// ----------------------------------------------------------------------------
//poll server - to avoid session expiration
window.setInterval("$.get('?');", 1000*60*3);
// ----------------------------------------------------------------------------