function getCookie(name) {

				var chunks = document.cookie.split("; ");

				var returnVal = null;

				for (var i = 0; i < chunks.length; i++) {
					var chunk = chunks[i].split("=");
					returnVal = (chunk[0] == name)
							? unescape(chunk[1])
							: returnVal;
				}
				return returnVal;

}
			
function setCookie (name, value, days) {
				if (value != null && value != "" && days > 0) {
					var expiry = new Date(new Date().getTime() + days
							* 24 * 60 * 60 * 1000);
					document.cookie = name + "=" + escape(value) + "; expires="
							+ expiry.toGMTString() + ";path=" + escape("/"); // ; domain=www.minagricultura.gov.co";
				}
}