function getCookie(c_name)
{
        if (document.cookie.length>0) {
                c_start=document.cookie.indexOf(c_name + "=")
                if (c_start!=-1) {
                        c_start=c_start + c_name.length+1
                        c_end=document.cookie.indexOf(";",c_start)
                        if (c_end==-1) c_end=document.cookie.length
                        return unescape(document.cookie.substring(c_start,c_end))
                }
        }
        return ""
}

function setCookie(c_name,value,expiredays)
{
        var exdate=new Date()
        exdate.setDate(exdate.getDate()+expiredays)
        document.cookie=c_name+ "=" +escape(value)+
        ((COOKIE_PATH) ? "; path=" + COOKIE_PATH : "") +
    ((COOKIE_DOMAIN) ? "; domain=" + COOKIE_DOMAIN : "") +
        ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}

function deleteCookie (cookie_name)
{
        var cookie_date = new Date ( );  // current date & time
        cookie_date.setTime(cookie_date.getTime() - 1);
        document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}

function Get_Cookie( check_name ) {
        // first we'll split this cookie up into name/value pairs
        // note: document.cookie only returns name=value, not the other components
        var a_all_cookies = document.cookie.split( ';' );
        var a_temp_cookie = '';
        var cookie_name = '';
        var cookie_value = '';
        var b_cookie_found = false; // set boolean t/f default f

        for ( i = 0; i < a_all_cookies.length; i++ )
        {
                // now we'll split apart each name=value pair
                a_temp_cookie = a_all_cookies[i].split( '=' );


                // and trim left/right whitespace while we're at it
                cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

                // if the extracted name matches passed check_name
                if ( cookie_name == check_name )
                {
                        b_cookie_found = true;
                        // we need to handle case where cookie has no value but exists (no = sign, that is):
                        if ( a_temp_cookie.length > 1 )
                        {
                                cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
                        }
                        // note that in cases where cookie is initialized but no value, null is returned
                        return cookie_value;
                        break;
                }
                a_temp_cookie = null;
                cookie_name = '';
        }
        if ( !b_cookie_found )
        {
                return null;
        }
}

function Set_Cookie( name, value, expires, path, domain, secure ) {
        // set time, it's in milliseconds
        var today = new Date();
        today.setTime( today.getTime() );
        // if the expires variable is set, make the correct expires time, the
        // current script below will set it for x number of days, to make it
        // for hours, delete * 24, for minutes, delete * 60 * 24
        if ( expires )
        {
                expires = expires * 1000 * 60 * 60 * 24;
        }
        //alert( 'today ' + today.toGMTString() );// this is for testing purpose only
        var expires_date = new Date( today.getTime() + (expires) );
        //alert('expires ' + expires_date.toGMTString());// this is for testing purposes only

        document.cookie = name + "=" +escape( value ) +
                ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
                ( ( path ) ? ";path=" + path : "" ) +
                ( ( domain ) ? ";domain=" + domain : "" ) +
                ( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
        if ( Get_Cookie( name ) ) document.cookie = name + "=" +
                        ( ( path ) ? ";path=" + path : "") +
                        ( ( domain ) ? ";domain=" + domain : "" ) +
                        ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}