//TODO: missbehaves on rectangular images?
//http://wordpress.org/support/topic/square-images-cropped-in-fullscreen?replies=7#post-2227942
function fitToScreen(mc:MovieClip) {	
	var maxHeight:Number = Stage.height-25;
	ZigoEngine.doTween (mc,"_x",0,0,"linear",0,function () {	
	if(mc._height <= maxHeight && mc._width <= Stage.width){			
		mc._yscale = mc._xscale = 100;		
	}
	if(_scalingStrategy != _NOSCALE){
		if(mc._height < mc._width) {
			mc._width = Stage.width;		
			mc._yscale = mc._xscale;
			if(_scalingStrategy == _FILL){
				if (mc._height < maxHeight) {
					mc._height = maxHeight;
					mc._xscale = mc._yscale;
				}
			}
		}else {
			mc._height = maxHeight;
			mc._xscale = mc._yscale;		
		}	
	}
	mc._x = Stage.width/2 - mc._width/2;
	mc._y = maxHeight/2 - mc._height/2;
	});
}