var groupTotals = {}

groupTotals.Bluegroup = 2;
groupTotals.Tab = 2;

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

function toggleparam()
{
var url_param = gup( 'tab' );
if( url_param != '' ) {
toggle('Tab',url_param);
}
}

function toggle( group, index )
{
var list = [];
var i = groupTotals[group];

while( i > 0 )
{
var o = document.getElementById( group + i );

if( i == index )
{
o.className = "visible";
}
else
{
o.className = "hidden";
}

i --;
}
}