var timer = null;
var timeout = 100;
var decrease_opacity_by = 10;
var fadeImage2 = null;
var cur_opacity = 100;

function doFade() {
  fadeImage2 = document.getElementById("fadeImage");
  timer = setTimeout("decreaseOpacity()", 2000);
}

function decreaseOpacity() {
	cur_opacity -= decrease_opacity_by;

	fadeImage2.style.opacity = cur_opacity / 100;
	fadeImage2.style.filter = "alpha(opacity=" + cur_opacity + ")";

	if(cur_opacity > 0) {
		timer = setTimeout("decreaseOpacity()", timeout);
	}
	else{
	  fadeImage2.style.display = "none";
	  showReplayLink();
	}
	
	
}


function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+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 eraseCookie(name) {
	createCookie(name,"",-1);
}