p1_on=new Image; p1_off=new Image;
p1_off.src="images/m1a.png";
p1_on.src="images/m1.png";
p2_on=new Image; p2_off=new Image;
p2_off.src="images/m2a.png";
p2_on.src="images/m2.png";
p3_on=new Image; p3_off=new Image;
p3_off.src="images/m3a.png";
p3_on.src="images/m3.png";
p4_on=new Image; p4_off=new Image;
p4_off.src="images/m4a.png";
p4_on.src="images/m4.png";
p5_on=new Image; p5_off=new Image;
p5_off.src="images/m5a.png";
p5_on.src="images/m5.png";
p6_on=new Image; p6_off=new Image;
p6_off.src="images/m6a.png";
p6_on.src="images/m6.png";