b1_0 = new Image(); b1_0.src = "images/_012_b0.jpg";
b1_1 = new Image(); b1_1.src = "images/_012_b1.jpg";
b2_0 = new Image(); b2_0.src = "images/_013_b0.jpg";
b2_1 = new Image(); b2_1.src = "images/_013_b1.jpg";
b3_0 = new Image(); b3_0.src = "images/_014_b0.jpg";
b3_1 = new Image(); b3_1.src = "images/_014_b1.jpg";
b4_0 = new Image(); b4_0.src = "images/_016_b0.jpg";
b4_1 = new Image(); b4_1.src = "images/_016_b1.jpg";
b5_0 = new Image(); b5_0.src = "images/_017_b0.jpg";
b5_1 = new Image(); b5_1.src = "images/_017_b1.jpg";
b6_0 = new Image(); b6_0.src = "images/_018_b0.jpg";
b6_1 = new Image(); b6_1.src = "images/_018_b1.jpg";

function butt_on(id){
	but = eval(id + "_1");
	document.getElementById(id).src = but.src;
}

function butt_off(id){
	but = eval(id + "_0");
	document.getElementById(id).src = but.src;
}