var button1 = new Image();
button1.src = "image/home.gif";
var button1P = new Image();
button1P.src = "image/homeD.gif";

var button2 = new Image();
button2.src = "image/why.gif";
var button2P = new Image();
button2P.src = "image/whyD.gif";

var button3 = new Image();
button3.src = "image/about.gif";
var button3P = new Image();
button3P.src = "image/aboutD.gif";

var button4 = new Image();
button4.src = "image/mem.gif";
var button4P = new Image();
button4P.src = "image/memD.gif";

var button5 = new Image();
button5.src = "image/lead.gif";
var button5P = new Image();
button5P.src = "image/leadD.gif";

var button6 = new Image();
button6.src = "image/cont.gif";
var button6P = new Image();
button6P.src = "image/contD.gif";

var button7 = new Image();
button7.src = "image/blinend.gif";
var button7P = new Image();
button7P.src = "image/blinendD.gif";

var button8 = new Image();
button8.src = "image/Hb.gif";
var button8P = new Image();
button8P.src = "image/Hb_up.gif";