// ---------------------------------------------------------------------------
//
//	cookies.js
//
// cookie routines from http://techpatterns.com/downloads/javascript_cookies.php
//
// ---------------------------------------------------------------------------
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;
    }
    var expires_date = new Date( today.getTime() + (expires) );

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

// this fixes an issue with the old method, ambiguous values 
// with this test document.cookie.indexOf( name + "=" );
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;
    }
}