// Action script...

// [Action in Frame 1]
function fuscreen()
{
Stage.displayState = "fullScreen";
} // 设置全屏
function exscreen()
{
Stage.displayState = "normal";
} // 退出全屏
function noscale()
{
Stage.scaleMode = "noScale";
} // 无缩放（显示源Flash尺寸）
function fullmode()
{
Stage.scaleMode = "showAll";
} // 显示全部（根据屏幕来适应大小）

function menuHandler(obj, menuObj)
{
if (Stage.displayState == "normal")
{
menuObj.customItems[0].enabled = true;
menuObj.customItems[1].enabled = false;
}
else
{
menuObj.customItems[0].enabled = false;
menuObj.customItems[1].enabled = true;
}
} // 设置右键菜单属性的函数（有热区与无热区）

demo.loadMovie("demo.swf");
Stage.scaleMode = "noScale";
fscommand("fullscreen", "true");
fscommand("allowscale", "false");
back_mc.onRelease = function ()
{
fuscreen();
};

var fullscreen = new ContextMenu(menuHandler);
fullscreen.hideBuiltInItems();

var fs = new ContextMenuItem("开启全屏", fuscreen);
fullscreen.customItems.push(fs);

var xfs = new ContextMenuItem("退出全屏", exscreen);
fullscreen.customItems.push(xfs);