function swapDiv(divId,divNames) {
	if(document.getElementById(divId)) {
		if(document.getElementById(divId).style.display == 'none') {
			var display = 'block';
		} else {
			var display = 'none';
		}
		var x = readCookie(divNames)
		if (x) {
			var div = document.getElementById(x);
			if(div){
				document.getElementById(x).style.display = 'none';
			}
		}
		document.getElementById(divId).style.display = display;
		var date = new Date();
		date.setTime(date.getTime()+(1*24*60*60*1000));
		var expires = date.toGMTString();
		document.cookie = divNames + '=' + divId + '; expires = '+ expires + '; path=/'
	}
}

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;
}

function setCurrentExhibition(cookiename) {
	var x = readCookie(cookiename)
	if (x) {
		var div = document.getElementById(x);
		if(div) {
			document.getElementById(x).style.display = 'block';
		}
	}
}

function minmax(){
	var src = document.getElementById("littlepicture").src;
	if(src.slice(-12) == 'minimize.gif'){
		document.getElementById("littlepicture").src = 'images/icons/maximize.gif';
		document.getElementById("littlepicture").alt = 'Maximize';
	} else {
		document.getElementById("littlepicture").src = 'images/icons/minimize.gif';
		document.getElementById("littlepicture").alt = 'Minimize';
	}
}

function setIcon(lastSlide){
	var src = document.getElementById("littlepicture").src;
	if(lastSlide == 'up'){
		document.getElementById("littlepicture").src = 'images/icons/maximize.gif';
		document.getElementById("littlepicture").alt = 'Maximize';
	} else {
		document.getElementById("littlepicture").src = 'images/icons/minimize.gif';
		document.getElementById("littlepicture").alt = 'Minimize';
	}
}

function changeDiv(divId) {
	if(document.getElementById(divId)) {
		if(document.getElementById(divId).style.display != 'block') {
			var display = 'block';
		} else {
			var display = 'none';
		}
		document.getElementById(divId).style.display = display;
	}
}

function hideDiv(divId) {
	if(document.getElementById(divId)) {
		var display = 'none';
		document.getElementById(divId).style.display = display;
	}
}

function CheckForm1(f) {
			if (f.email.value == "") {
				alert("Please enter your email address.");
				f.email.focus();
				return false;
			}
		
				return true;
			};
function subscribe(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}