if(parent.frames.length == 0)
	{
	document.write('<frameset cols="*,150,650,*" border="0" frameborder="0" framespacing="0">'
	+'<frame name="leegl" src="../pages/links.htm" scrolling="no" noresize />'
	+'<frame name="contents" target="hoofd" src="../pages/menu.htm" marginwidth="0" marginheight="0" scrolling="auto" noresize />'
	+'<frame name="hoofd" src="'+ window.location +'?" marginwidth="0" marginheight="0" scrolling="auto" noresize target="_self" />'
	+'<frame name="leegr" src="../pages/rechts.htm" scrolling="no" noresize />'
	+'</frameset>');
	}