var path = "/images/";
var img = new Array(6);
    img['normal']	= new Image();img['normal'].src = path+"img_intoro_map.gif" ;
	img['mv01']		= new Image();img['mv01'].src = path+"img_intoro_map01.gif" ;
	img['mv02']		= new Image();img['mv02'].src = path+"img_intoro_map02.gif" ;
	img['mv03']		= new Image();img['mv03'].src = path+"img_intoro_map03.gif" ;
	img['mv04']		= new Image();img['mv04'].src = path+"img_intoro_map04.gif" ;
	img['mv05']		= new Image();img['mv05'].src = path+"img_intoro_map05.gif" ;
	img['mv06']		= new Image();img['mv06'].src = path+"img_intoro_map06.gif" ;
	
	
	
	
	function override(area,position){
		document.images[position].src = img[area].src;
}