var explorer;

function openExplorer()
{
   if (!explorer)
   {
      explorer = window.open('/explorer.php','explorer','width=300,height=300,scrollbars=yes');
   }
   
   explorer.focus();
}



function showTitle()
{
   document.getElementById(this.id.substring(5)).style.visibility = 'visible';
}



function hideTitle()
{
   document.getElementById(this.id.substring(5)).style.visibility = 'hidden';
}



function getPage(link)
{
   if (link.href.indexOf('http://' + document.domain) == -1)
   {
      window.open(link.href);
      return false;
   }
   else
   {
      top.location.href = link.href;
      return true;
   }
}



function prepare()
{
   menuItems = ['drukwerk', 'communicatie', 'media', 'multimedia', 'marketing', 'facilitair', 'services'];
   
   for (i in menuItems)
   {
      document.getElementById('area_' + menuItems[i]).onmouseover = showTitle;
      document.getElementById('area_' + menuItems[i]).onmouseout  = hideTitle;
   }
}



window.onload = prepare;