if (document.images) {
	
	btn01On = new Image(150,32);
	btn01Off = new Image(150,32);
	btn01On.src = "images/btn01H.gif";
	btn01Off.src = "images/btn01.gif";

	btn02On = new Image(150,32);
	btn02Off = new Image(150,32);
	btn02On.src = "images/btn02H.gif";
	btn02Off.src = "images/btn02.gif";

	btn03On = new Image(150,32);
	btn03Off = new Image(150,32);
	btn03On.src = "images/btn03H.gif";
	btn03Off.src = "images/btn03.gif";

	btn04On = new Image(150,32);
	btn04Off = new Image(150,32);
	btn04On.src = "images/btn04H.gif";
	btn04Off.src = "images/btn04.gif";

	btn05On = new Image(150,32);
	btn05Off = new Image(150,32);
	btn05On.src = "images/btn05H.gif";
	btn05Off.src = "images/btn05.gif";

	btn06On = new Image(150,32);
	btn06Off = new Image(150,32);
	btn06On.src = "images/btn06H.gif";
	btn06Off.src = "images/btn06.gif";

	btn07On = new Image(150,32);
	btn07Off = new Image(150,32);
	btn07On.src = "images/btn07H.gif";
	btn07Off.src = "images/btn07.gif";
	
	btn08On = new Image(150,32);
	btn08Off = new Image(150,32);
	btn08On.src = "images/btn08H.gif";
	btn08Off.src = "images/btn08.gif";

}

function ovrImage(id) {
    if (document.images) {
      document.images[id].src = eval(id + "On.src")
    }
}

function outImage(id) {
    if (document.images) {
      document.images[id].src = eval(id + "Off.src")
    }
}