function setCookie(name,value)
{
var Days = 30;
var exp = new Date();
exp.setTime(exp.getTime() + Days*24*60*60*1000);
element.document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
function getCookie(name)
{
var arr = element.document.cookie.split("; ");
for(i=0;i<arr.length;i++)
if (arr[i].split("=")[0] == name)
return unescape(arr[i].split("=")[1]);
return null;
};