学无止境详情

function getWindowHeight(frameObject) {
	if (document.all) return frameObject.document.body.clientHeight; // IE on Mac and Windows
	if (document.layers) return frameObject.document.clientHeight;
}

function getWindowWidth(frameObject) {
	if (document.all) return frameObject.document.body.clientWidth; // IE on Mac and Windows
	if (document.layers) return frameObject.document.clientWidth;
}