if (window.innerWidth) {
	// Firefox, Chrome
	winW = window.innerWidth;
	winH = window.innerHeight;
}
else if (document.body) {
	// IE
	winW = document.body.clientWidth;
	winH = parseInt(winW * 0.75);
}
else if (document.documentElement && document.documentElement.clientWidth) {
	winW = document.documentElement.clientWidth;
	winH = document.documentElement.clientHeight;
}