function PreImg(){
	preload_img1=new Image();preload_img1.src="./img/button_1_1.gif";
	preload_img2=new Image();preload_img2.src="./img/button_2_1.gif";
	preload_img3=new Image();preload_img3.src="./img/button_3_1.gif";
	preload_img4=new Image();preload_img4.src="./img/button_4_1.gif";
	preload_img5=new Image();preload_img5.src="./img/button_5_1.gif";
	preload_img6=new Image();preload_img6.src="./img/button_6_1.gif";
	preload_img7=new Image();preload_img7.src="./img/button_7_1.gif";
	preload_img8=new Image();preload_img8.src="./img/button_8_1.gif";
	preload_img9=new Image();preload_img9.src="./img/button_9_1.gif";
	preload_img10=new Image();preload_img10.src="./img/button_10_1.gif";
	preload_img11=new Image();preload_img11.src="./img/button_11_1.gif";
	preload_img12=new Image();preload_img12.src="./img/button_12_1.gif";
	preload_img13=new Image();preload_img13.src="./img/button_13_1.gif";
	preload_img14=new Image();preload_img14.src="./img/button_14_1.gif";
	preload_img15=new Image();preload_img15.src="./img/button_15_1.gif";
	preload_img16=new Image();preload_img16.src="./img/button_16_1.gif";
	preload_img17=new Image();preload_img17.src="./img/button_17_1.gif";
	preload_imgm=new Image();preload_imgm.src="./img/mlmg1.gif";
}