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




var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		mast_01_over = newImage("images/mast_01-over.gif");
		mast_02_over = newImage("images/mast_02-over.gif");
		mast_03_over = newImage("images/mast_03-over.gif");
		mast_04_over = newImage("images/mast_04-over.gif");

		foot_02_over = newImage("images/foot_02-over.gif");
		foot_03_over = newImage("images/foot_03-over.gif");
		foot_04_over = newImage("images/foot_04-over.gif");
		foot_05_over = newImage("images/foot_05-over.gif");

		foot_08_over = newImage("images/foot_08-over.gif");
		foot_09_over = newImage("images/foot_09-over.gif");
		foot_10_over = newImage("images/foot_10-over.gif");

		preloadFlag = true;

	}
}






// tests for cookies enabled
var cookieEnabled = false;
if (typeof document.cookie == "string") {
	if (document.cookie.length == 0) {
		setCookie("ctest", "CA14543957437589758584754789574985784758");
		var fishforthoughtctestRead = getCookie("ctest");
		if (fishforthoughtctestRead == "CA14543957437589758584754789574985784758") {
			cookieEnabled = true;
		}
		else {
			cookieEnabled = false;
		}
	}
	else {
		setCookie("ctest", "CA14543957437589758584754789574985784758");
		cookieEnabled = true;
	}
}



function getCookieVal(offset) {
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}



function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return getCookieVal(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return "";
}



function setCookie(name, value) {
	var exp = new Date(); // to fix bug with Safari
	exp.setTime(exp.getTime() + 995000000);
	var expires = true;
	var path = false;
	var domain = false;
	var secure = false;

	document.cookie = name + "=" + escape (value) +
		((expires) ? "; expires=" + exp.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
}