function hl(id) {

  eval('document.getElementById("' + id + '").className="arrowhl"');

}

function unhl(id) {

  eval('document.getElementById("' + id + '").className="arrow"');

}

function imgOpen(imgURL,imgWidth,imgHeight,Title) {

	var imgWndw=window.open('','_blank','width='+imgWidth+',height='+

		imgHeight+',toolbar=no,menubar=no,location=no,status=no,'+

		'resizable=yes,scrollbars=no');

	var imgTitle=(Title)?Title:imgURL+": "+imgWidth+'x'+imgHeight;

	with (imgWndw.document){

		open();

		write('<'+'html><'+'head><'+'title>'+imgTitle+'</'+'title>'+

		'</'+'head><'+'body leftmargin="0" topmargin="0" '+

		'rightmargin="0" bottommargin="0" marginwidth="0" '+

		'marginheight="0"><'+'img src="'+imgURL+'" width="'+imgWidth+

		'" height="'+imgHeight+'" border="0" alt="'+imgTitle+

		'"></'+'body></'+'html>');

		close();

	}

	return false;

}