var menus = new Array("subnav_about", "subnav_clients", "subnav_job", "subnav_press");



function changeDiv(the_div, the_change)

{

	

	var the_style = getDivStyle(the_div);



    if (the_style != false) {

      the_style.visibility = the_change;

    }

}



function getDivStyle(the_div)

{

  var the_style;



  if (document.documentElement)

  {

    the_style = document.getElementById(the_div).style;

  } 

  else if (document.all)

  {

    the_style = eval("document.all." + the_div + ".style");

  } 

  else if (document.layers)

  {

    the_style = eval("document." + the_div);

  }

  else 

  {

    alert("sorry, this only works in 4.0 and higher browsers");

    return false;

  }

  return the_style;

}







function closeAll(the_category)

{

    var div_array = eval(the_category);



    for (var loop=0; loop < div_array.length; loop++)

    {

       changeDiv(div_array[loop], "hidden");

    }

}