// JavaScript Document
function ShowContent(id)
{
    var boxes = new Array('box_empresa', 'box_ti', 'box_web', 'box_venda', 'box_contato');

    //Oculta os demais boxes
    for (i=0 ; i<boxes.length ; i++) {
      $(boxes[i]).hide();
    }

    Effect.Grow(id, {direction:'top-left', duration:0.5});
    return false;
}