if(navigator.appVersion.charAt(0) >= 3) {
	var globalBtn = new Array();
	globalBtn[0] = new Image();
	globalBtn[0].src = "images/global_001.png";
	globalBtn[1] = new Image();
	globalBtn[1].src = "images/global_001_over.png";
	globalBtn[2] = new Image();
	globalBtn[2].src = "images/global_002.png";
	globalBtn[3] = new Image();
	globalBtn[3].src = "images/global_002_over.png";
	globalBtn[4] = new Image();
	globalBtn[4].src = "images/global_003.png";
	globalBtn[5] = new Image();
	globalBtn[5].src = "images/global_003_over.png";
	globalBtn[6] = new Image();
	globalBtn[6].src = "images/global_004.png";
	globalBtn[7] = new Image();
	globalBtn[7].src = "images/global_004_over.png";

	var pageTopBtn = new Array();
	pageTopBtn[0] = new Image();
	pageTopBtn[0].src = "/images/pagetop.gif";
	pageTopBtn[1] = new Image();
	pageTopBtn[1].src = "/images/pagetop_over.gif";

}

function globalOver(nam, num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = globalBtn[num].src;
	}
}

function pageTopOver(nam, num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = pageTopBtn[num].src;
	}
}