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;
}

function pageflipWin(url) {
	var pageflipW = (screen.width-80);
	var pageflipH = (screen.height-140);
	window.open(url,"pageflipWindow","width=" + pageflipW + ",height="+ pageflipH + ",scrollbars=no,resizable=yes,top=10,left=40,menubar=no,toolbar=no");
}