function display(element, style) {
	eval("document.getElementById('" + element + "').style.display = style;");	
}

/* ----------------------------------- */
function changeClass(element, className) {
	eval("document.getElementById('" + element + "').className = className;");	
}

/* ----------------------------------- */
function toggle(element, style) {
	if (document.getElementById(element).style.display != 'none') {
		style = 'none';
	}
	display(element, style)
}

/* ----------------------------------- */
function cookie_get( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ';', len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

/* ----------------------------------- */
function cookie_set( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	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() : '' ) + //expires.toGMTString()
		( ( path ) ? ';path=' + path : '' ) +
		( ( domain ) ? ';domain=' + domain : '' ) +
		( ( secure ) ? ';secure' : '' );
}

/* ----------------------------------- */
function cookie_delete( name, path, domain ) {
	if ( cookie_get( name ) ) {
		document.cookie = name + '=' + ( ( path ) ? ';path=' + path : '') + ( ( domain ) ? ';domain=' + domain : '' ) + ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
	}
}