function createCookie(name,value,days) {
    var expires = "";
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        expires = "; expires="+date.toGMTString();
    }
    else
        expires = "";

    document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name,"",-1);
}

// MTMUserLoginForm specific code
var cookieName = 'mtm_user_name';
function processSaveUserCh()
{
    if ( document.forms['MTMUserLoginForm']!= undefined && document.forms['MTMUserLoginForm']!= null
            && document.forms['MTMUserLoginForm'].saveUserName.checked ) {
        createCookie(cookieName, document.forms['MTMUserLoginForm'].username.value, 90);
    } else {
        eraseCookie(cookieName);
    }

    return true;
}

function processRestoreUserCh()
{
    if ( readCookie(cookieName) != undefined && readCookie(cookieName).length > 0 ) {
        document.forms['MTMUserLoginForm'].username.value = readCookie(cookieName);
        document.forms['MTMUserLoginForm'].saveUserName.checked = true;
    } else {
        document.forms['MTMUserLoginForm'].username.value = "Enter your username...";
        document.forms['MTMUserLoginForm'].saveUserName.checked = undefined;
    }
}