function AbImg(){
	preload_ab01=new Image();preload_ab01.src="./img/ab01x.gif";
	preload_ab02=new Image();preload_ab02.src="./img/ab02x.gif";
	preload_ab03=new Image();preload_ab03.src="./img/ab03x.gif";
	preload_ab04=new Image();preload_ab04.src="./img/ab04x.gif";
	preload_ab05=new Image();preload_ab05.src="./img/ab05x.gif";
	preload_ab06=new Image();preload_ab06.src="./img/ab06x.gif";
	preload_ab07=new Image();preload_ab07.src="./img/ab07x.gif";
	preload_nw01=new Image();preload_nw01.src="./img/nw01x.gif";
	preload_nw02=new Image();preload_nw02.src="./img/nw02x.gif";
	preload_nw03=new Image();preload_nw03.src="./img/nw03x.gif";
	preload_nw04=new Image();preload_nw04.src="./img/nw04x.gif";
}