text: // 设置Cookie
  function setCookie(c_name, value, expiredays) {
  	var exdate = new Date();
  	exdate.setDate(exdate.getDate() + expiredays);
  	document.cookie = c_name + "=" + escape(value)
  			+ ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
  }
  
  // 获取Cookie
  function getCookie(c_name) {
  	if (document.cookie.length > 0) {
  		var c_start = document.cookie.indexOf(c_name + "=");
  		if (c_start != -1) {
  			c_start = c_start + c_name.length + 1;
  			var 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 "";
  }