function keyHandler(e) {
	
	var key = window.event ? e.keyCode : e.which;
switch(key){
		case 27:
		Toggle.display('body');
		break;
		case 37:
		if (prev!= "")
		document.location.href = prev;
		break;
		case 39:
		if (next!= "")
		document.location.href = next;
		break;
		case 16:
		document.location.href = "/random";
		break;
	}
}