// Control curtain opening
	
	// Set the cookie 
	function setCookie(name,value,days) {
	 if (days) {
	   var date = new Date();
	   date.setTime(date.getTime()+(days*24*60*60*1000));
	   var expires = ";expires="+date.toGMTString();
	 } else {
	   expires = "";
	 }
	 document.cookie = name+"="+value+expires+";";
	}
	
	// Read the cookie
	function readCookie(name) {
	 var needle = name + "=";
	 var cookieArray = document.cookie.split(';');
	 for(var i=0;i < cookieArray.length;i++) {
	   var pair = cookieArray[i];
	   while (pair.charAt(0)==' ') {
	     pair = pair.substring(1, pair.length);
	   }
	   if (pair.indexOf(needle) == 0) {
	     return pair.substring(needle.length, pair.length);
	   }
	 }
	 return null;
	}
	
	function delayOpen(secs) {
		if (readCookie("open")=="true") {
			$("right").style.display='none';
			$("left").style.display='none';
			new Effect.MoveBy($('right'),0,300,{ duration: 2.0 });
			new Effect.MoveBy($('left'),0,-300,{ duration: 2.0 });
			$("clicklayer").style.display='none';
		} else {
			tm=setTimeout("openIt()",secs*1000);
		}
	}
	
	function openIt() {
		if (typeof tm!="undefined") {
			clearTimeout(tm);
		}
		new Effect.MoveBy($('right'),0,300,{ duration: 2.0 });
		new Effect.MoveBy($('left'),0,-300,{ duration: 2.0 });
		$("clicklayer").style.display='none';
		setCookie("open","true",1);
	}
	
	function closeIt() {
		if (readCookie("open")=="true") {
			$("right").style.display='block';
			$("left").style.display='block';
			new Effect.MoveBy($('right'),0,-300,{ duration: 2.0 });
			new Effect.MoveBy($('left'),0,300,{ duration: 2.0 });
			$("clicklayer").style.display='block';
			setCookie("open","false",1);
		}
	}