Phaser.CanvasPool = { 
create: function (parent, width, height){ 
var idx = Phaser.CanvasPool.getFirst(); 
var canvas; 
if (idx === -1) { 
var container = { 
parent: parent,
canvas: _AN_Call_createelement('createElement', document, 'canvas')}
; 
Phaser.CanvasPool.pool.push(container); 
canvas = container.canvas; 
} 
 else { 
Phaser.CanvasPool.pool[idx].parent = parent; 
canvas = Phaser.CanvasPool.pool[idx].canvas; 
} 
if (width !== undefined) { 
canvas.width = width; 
canvas.height = height; 
} 
return canvas; 
} 
,
getFirst: function (){ 
var pool = Phaser.CanvasPool.pool; 
for (var i = 0; 
i < _AN_Read_length('length', pool); i++ ){ 
if (!pool[i].parent) { 
return i; 
} 
} 
return -1; 
} 
,
remove: function (parent){ 
var pool = Phaser.CanvasPool.pool; 
for (var i = 0; 
i < _AN_Read_length('length', pool); i++ ){ 
if (pool[i].parent === parent) { 
pool[i].parent = null ; 
pool[i].canvas.width = 1; 
pool[i].canvas.height = 1; 
} 
} 
} 
,
removeByCanvas: function (canvas){ 
var pool = Phaser.CanvasPool.pool; 
for (var i = 0; 
i < _AN_Read_length('length', pool); i++ ){ 
if (pool[i].canvas === canvas) { 
pool[i].parent = null ; 
pool[i].canvas.width = 1; 
pool[i].canvas.height = 1; 
} 
} 
} 
,
getTotal: function (){ 
var pool = Phaser.CanvasPool.pool; 
var c = 0; 
for (var i = 0; 
i < _AN_Read_length('length', pool); i++ ){ 
if (pool[i].parent) { 
c++ ; 
} 
} 
return c; 
} 
,
getFree: function (){ 
var pool = Phaser.CanvasPool.pool; 
var c = 0; 
for (var i = 0; 
i < _AN_Read_length('length', pool); i++ ){ 
if (!pool[i].parent) { 
c++ ; 
} 
} 
return c; 
} 
}
; 
Phaser.CanvasPool.pool = [] ;