addEvent(document,'keydown',function(e){
	if(window.event){ var k = event.keyCode;}	/*IE*/
	else if(e.which){ var k = e.which; }		/* Netscape/Firefox/Opera */
	if(k==37 && !cancelArrow){ p=place-1;if(p<0)p=places[0].length-1;change_place(p) }
	if(k==39 && !cancelArrow){ p=place+1;if(p>=places[0].length)p=0;change_place(p) }
});