function get_cookie(name)	{

var cookiename=name+"=";
var allcookies=document.cookie;
if (allcookies.length<1){return '';}
var cookiebegin=allcookies.indexOf(cookiename);
cookiebegin+=cookiename.length;
var cookieend=allcookies.indexOf(";", cookiebegin);
if (cookieend==-1) {cookieend=allcookies.length};
var value=allcookies.substring(cookiebegin, cookieend);
value=decodeURIComponent(value);
return value;
}