function clearField(thisField) {
	thisField.value="";
}
	
var OSName="Unknown OS";
if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

var splashValue = readCookie('overlaySplash7');
if (OSName == 'Windows') {
	if (splashValue!='overlayVisit') {
		document.getElementById('overlaySplash').style.visibility='visible';
		document.getElementById('overlaySplashinner').style.visibility='visible';	
		document.getElementById('overlaySplash').style.display='inline';
		document.getElementById('overlaySplashinner').style.display='inline';
	}
	if (splashValue=='overlayVisit')  {
		document.getElementById('overlaySplash').style.visibility='hidden';
		document.getElementById('overlaySplashinner').style.visibility='hidden';
		document.getElementById('overlaySplash').style.display='none';
		document.getElementById('overlaySplashinner').style.display='none';
	}

}
//You MUST replace beaconfire.com with the correct domain
function hideSplash() {
	document.getElementById('overlaySplash').style.visibility='hidden';
	document.getElementById('overlaySplashinner').style.visibility='hidden';	
	document.getElementById('overlaySplash').style.display='none';
	document.getElementById('overlaySplashinner').style.display='none';
	document.cookie='overlaySplash7=overlayVisit;path=/;expires=Thu, 06-Jun-2012 00:00:01 GMT; host=www.aft.org;';
}
//You MUST replace beaconfire.com with the correct domain
function remindSplash() {
	document.getElementById('overlaySplash').style.visibility='hidden';
	document.getElementById('overlaySplashinner').style.visibility='hidden';	
	document.getElementById('overlaySplash').style.display='none';
	document.getElementById('overlaySplashinner').style.display='none';
	document.cookie='overlaySplash7=overlayVisit;path=/; host=www.aft.org;';
}