var highlighted = -1;

function highlightx(id) {

	if(highlighted != -1) {
		document.getElementById('highlight_'+highlighted).className = 'external';
		document.getElementById('highlight_'+highlighted).style.backgroundColor = '';
		document.getElementById('highlight_title_'+highlighted).style.background = "#ebebeb url('/img/start/title_bg.jpg') repeat-x";
		document.getElementById('highlight_top_'+highlighted).innerHTML = '';
	}
	document.getElementById('highlight_'+id).className = 'external_highlight';
	document.getElementById('highlight_title_'+id).style.background = "#b8c5d8 url('/img/start/title_bg_2.jpg') repeat-x";
	document.getElementById('highlight_top_'+id).innerHTML = '<a href="#top"><img src="/img/start/arrow_up2.jpg"></a>';
	highlighted = id;
/*
	new Effect.Highlight('highlight_'+id, { startcolor: '#FFFFFF', endcolor: '#FFFF9C' });
	new Effect.Highlight('highlight_'+id, { startcolor: '#FFFFFF', endcolor: '#FFFF9C', delay: 1 });
	new Effect.Highlight('highlight_'+id, { startcolor: '#FFFFFF', endcolor: '#FFFF9C', delay: 2 });
*/
	new Effect.Pulsate('highlight_'+id, { pulses: 3, duration: 1.5, startcolor: '#FFFFFF', endcolor: '#FFFFB2' });
}