function ship(mode) {

var shipfields = document.getElementById('shipfields');
if(shipfields) {
	if(mode == 0) {
		shipfields.style.display = 'none';
	}
	else {
		shipfields.style.display = 'block';
	}
}

}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);