/* cookie.js */

function getCookie(key){
    tmp = document.cookie+";";
    tmp1 = tmp.indexOf(key,0);
    if(tmp1 != -1){
        tmp = tmp.substring(tmp1,tmp.length);
        start = tmp.indexOf("=",0);
        end = tmp.indexOf(";",start);
        return(unescape(tmp.substring(start+1,end)));
    }
    return("");
}
function setCookie(key,val){
    tmp = key + "=" + escape(val) + ";" ;
    tmp += "expires=Fri, 31-Dec-3000 23:59:59 GMT;";
    tmp += "path=/;";
    document.cookie = tmp;
}
function clearCookie(key){
	document.cookie = key + "=;expires=Thu,01-Jan-70 00:00:01 GMT";
	return true;
}