btn1_0=new Image(110,57);
btn1_0.src="./img/btn1_0.png";
btn1_1=new Image(110,57);
btn1_1.src="./img/btn1_1.png";
btn2_0=new Image(216,57);
btn2_0.src="./img/btn2_0.png";
btn2_1=new Image(216,57);
btn2_1.src="./img/btn2_1.png";
btn3_0=new Image(125,57);
btn3_0.src="./img/btn3_0.png";
btn3_1=new Image(125,57);
btn3_1.src="./img/btn3_1.png";
btn4_0=new Image(177,57);
btn4_0.src="./img/btn4_0.png";
btn4_1=new Image(177,57);
btn4_1.src="./img/btn4_1.png";
btn5_0=new Image(139,57);
btn5_0.src="./img/btn5_0.png";
btn5_1=new Image(139,57);
btn5_1.src="./img/btn5_1.png";