var leftOldState = '';
var rightOldState = '';

function changeState(state, table, leftDevider, rightDevider, cssClass)
{
   leftDevider = document.getElementById(leftDevider);
   rightDevider = document.getElementById(rightDevider);
   
   if(state == "over")
   {
      leftOldState = leftDevider.className;
      rightOldState = rightDevider.className;

      table.className = cssClass + 'over';
      
      leftDevider.className = cssClass + 'deviderover';
      rightDevider.className = cssClass + 'deviderover';
   }
   else
   {
      table.className = cssClass + 'out';

      leftDevider.className = leftOldState;
      rightDevider.className = rightOldState;
   }
}