function lp_get_cookie(cookie_name) {
	if (document.cookie.length > 0) {
	  cookie_start = document.cookie.indexOf(cookie_name + "=");
	  //alert(cookie_start);
	  if (cookie_start >= 0) {
		  return true;
		  //cookie_start = cookie_start + cookie_name.length + 1; 
		  //cookie_end = document.cookie.indexOf(";", cookie_start);
		  //if (cookie_end == -1) cookie_end = document.cookie.length;
		  //cookie_value = document.cookie.substring(cookie_start, cookie_end);
		  //return cookie_value;
	  } 
	}
	return false;
}

function lp_set_cookie(cookie_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = cookie_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires = " + exdate.toGMTString()) + "; path=/; domain="+document.domain;
	document.getElementById('lp_modalwin').style.visibility="hidden";
	document.getElementById('lp_overlay').style.visibility="hidden";
}

function lp_check_cookie() {
	//alert(document.cookie);
	if (document.cookie.length > 0) {
		  cookie_start = document.cookie.indexOf("age_check=");
		  if (cookie_start >= 0) {
			  return;
		  }
	}
    document.getElementById('lp_modalwin').style.visibility="visible";
    document.getElementById('lp_overlay').style.visibility="visible";
}