var a0 = new Image(); a0.src = '/images/header/atimeforlove1.jpg';
	var a1 = new Image(); a1.src = '/images/header/atimeforlove2.jpg';
	var a2 = new Image(); a2.src = '/images/header/atimeforlove3.jpg';
	var a3 = new Image(); a3.src = '/images/header/atimeforlove4.jpg';
	var a4 = new Image(); a4.src = '/images/header/atimeforlove5.jpg';
	var a5 = new Image(); a5.src = '/images/header/atimeforlove6.jpg';
	var a6 = new Image(); a6.src = '/images/header/atimeforlove7.jpg';
	var b0 = new Image(); b0.src = '/images/header/logo_text1.jpg';
	var b1 = new Image(); b1.src = '/images/header/logo_text2.jpg';
	var b2 = new Image(); b2.src = '/images/header/logo_text3.jpg';
	var b3 = new Image(); b3.src = '/images/header/logo_text4.jpg';
	var b4 = new Image(); b4.src = '/images/header/logo_text5.jpg';
	var b5 = new Image(); b5.src = '/images/header/logo_text6.jpg';
	var b6 = new Image(); b6.src = '/images/header/logo_text7.jpg';
	var countRelease = 7;

	function setHeader() {
		var bg = document.getElementById('header_bg');
		var logo = document.images['header_logo'];
		var old = 0;
		old = readCookie('icon');
		if(old==null) {
			bg.style.cssText = "background: url("+eval('a0.src')+") no-repeat;height:266px;width:979px;";
			logo.src = eval('b0.src');
			createCookie('icon',0,365);
		}
		else if((parseInt(old)+1) < countRelease) {
			bg.style.cssText = "background: url("+eval('a'+(parseInt(old)+1)+'.src')+") no-repeat;height:266px;width:979px;";
			logo.src = eval('b'+(parseInt(old)+1)+'.src');
			createCookie('icon',parseInt(old)+1,365);
		}
		else {
			bg.style.cssText = "background: url("+eval('a0.src')+") no-repeat;height:266px;width:979px;";
			logo.src = eval('b0.src');
			createCookie('icon',0,365);
		}
		return true;
	}

	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 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=/";
	}