var Maneger = function ( ) {
var list = [ ];
this.has = function ( e ) {
for( var cnt = 0, obj; obj = list[ cnt++ ]; )
if( obj.element == e ) return true;
return false;
};
this.del = function ( e ) {
for( var cnt = 0, obj; obj = list[ cnt ]; cnt++ )
if( obj.element == e ) return list.splice( cnt, 1 );
return false;
};
this.add = function ( e, s ) {
if( ! this.has( e ) )
return list.push( { 'element': e, 'status': s } );
return false;
};
this.get = function ( e )
for( var cnt = 0, obj; obj = list[ cnt++ ]; )
if( obj.element == e ) return obj.status;
return undefined;
};
this.put = function ( e, s ) {
for( var cnt = 0, obj; obj = list[ cnt++ ]; )
if( obj.element == e ) return obj.status = s;
return undefined;
};
);