var visible = new Array();
visible['us'] = 0;
visible['innovation'] = 0;
visible['excellence'] = 0;
visible['communication'] = 0;
visible['flexibility'] = 0;
var current_selection_name = 'item_us';

function select_item(element)
{
  var element_name = 'item_' + element;
  
  if (current_selection_name != '' && current_selection_name != element_name)
  {
    // Close current_selection
    $(current_selection_name).className = '';
  }

  $(element_name).className = 'selected';
  current_selection_name = element_name;
}