//JavaScript - Copyright by mediaLINK - Version 2.0 - 06.01.2001

if (document.images){

	var imageon = new Array();
	var imageof = new Array();

	imageon['arrowup'] = new Image();
	imageon['arrowup'].src = "../graphnav/ic_up_ov.gif";
	imageof['arrowup'] = new Image();
	imageof['arrowup'].src = "../graphnav/ic_up.gif";

	imageon['arrowdown'] = new Image();
	imageon['arrowdown'].src = "../graphnav/ic_dn_ov.gif";
	imageof['arrowdown'] = new Image();
	imageof['arrowdown'].src = "../graphnav/ic_dn.gif";
	
	imageon['arrowtop'] = new Image();
	imageon['arrowtop'].src = "../graphnav/ic_tp_ov.gif";
	imageof['arrowtop'] = new Image();
	imageof['arrowtop'].src = "../graphnav/ic_tp.gif";
	
	imageon['buttoninfo'] = new Image();
	imageon['buttoninfo'].src = "../graphnav/ic_io_ov.gif";
	imageof['buttoninfo'] = new Image();
	imageof['buttoninfo'].src = "../graphnav/ic_io.gif";
}


function imgon(n){
	if (document.images){
		document.images[n].src=imageon[n].src;
	}
}

function imgof(n){
	if (document.images){
		document.images[n].src = imageof[n].src;
	}
}