function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
		
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		m01_over = newImage("images/menu01a.gif");
		m02_over = newImage("images/menu02a.gif");
		m03_over = newImage("images/menu03a.gif");
		m04_over = newImage("images/menu04a.gif");
		m05_over = newImage("images/menu05a.gif");
		m06_over = newImage("images/menu06a.gif");
		sm_over = newImage("images/sitemap_a.gif");
		dl_over = newImage("images/downloads_a.gif");
		preloadFlag = true;
	}
}

function OpenWin(win,srcFile,popW,popH,scrol) {
		popH=popH+1;
		popW=popW+1;
		parStr = "HEIGHT=" + popH + ",WIDTH=" + popW + "top=20,left=20,screenX=0,screenY=0,scrollbars=no,status=no";
	   	window.open(srcFile,win,parStr);
}