function expand(co, href) {
			 var exp = new Date();
			exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 30));

			if (document.getElementById(co).style.display == "block"){
				delCookie(co);
        		document.getElementById(co).style.display = "none";
        		window.location.reload();
    		}else{
				setCookie(co,'droped',exp);
        		document.getElementById(co).style.display = "block";
        		document.location.href = href;
		 	}
}

function setCookie(name, value, expires) {
	document.cookie = name + "=" + escape(value) + "; path=/" + ((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

function delCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
}