// image preload

for ( i = 0; i <= 4; i++ ) {
	eval( "n"+i+"=new Image;");
	eval( "n"+i+".src=\"images/n"+i+".gif\";");
	eval( "n"+i+"r=new Image;");
	eval( "n"+i+"r.src=\"images/n"+i+"r.gif\";");
}

function rollover( imgid, imgnew ) {
	if (document.images) {
		document.images[imgid].src = eval( imgnew + ".src" );
	}
}