// JavaScript Document

function hideLayer_2( on, off1 )
{
  var elemOn, elemOff1, visOn, visOff1;
  if( document.getElementById ) 
  {
    elemOn   = document.getElementById( on );
    elemOff1 = document.getElementById( off1 );	
  }
	visOn   = elemOn.style;
    visOff1 = elemOff1.style;

	if( visOn.display==''&& elemOn.offsetWidth != undefined && elemOn.offsetHeight != undefined )
	if ( elemOn.offsetWidth != 0 && elemOn.offsetHeight != 0 )
	{
		visOn.display = 'none';
		visOff1.display = 'none';	
	}
	else
	{
		visOn.display = 'inline';
		visOff1.display = 'none';		
	}
	if (  visOn.display == '' || visOn.display == 'inline' )
	{
		visOn.display = 'none';
		visOff1.display = 'none';		
	}
	else
	{
		visOn.display = 'inline';
		visOff1.display = 'none';		
	}
}