// no spam email
function nospam(user,domain,args) {
	loc = "mailto:" + user + "@" + domain;
	if (args) {
		loc += "?" + args;
	}
	window.location = loc;
}

//rollovers
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) {
		pre_over = newImage("i/nav/pra-o.gif");		
		att_over = newImage("i/nav/att-o.gif");		
		dir_over = newImage("i/nav/dir-o.gif");		
		cot_over = newImage("i/nav/cot-o.gif");								
		preloadFlag = true;
	}
}