function getCookies(c_name){
	if (document.cookie.length>0){
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1){ 
			c_start = c_start + c_name.length+1; 
			c_end = document.cookie.indexOf(";",c_start);
			if (c_end == -1) c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return "";
}

function setCookies(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function setCookie(name){
	var d = new Date();
	year = d.getFullYear();
	month = d.getMonth()+1;
	day = d.getDate();
	
	if (month<10) month = '0'+month;
	if (day<10) day = '0'+day;
	
	date = year+''+month+''+day;
	
	if (name == 'mail'){
		setCookies('sn_mail', date, 7);
	} else{
		setCookies('sn_calendar', date, 30);
	}
}