function fullscreen(url) {
	var x = screen.availWidth;
	var y = screen.availHeight;
popup = window.open(url,'fullscreen','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,width='+x+',height='+y+',left=0,top=0');
popup.resizeTo(x, y);
popup.moveTo(0, 0);
popup.focus();
}

mac=(navigator.appVersion.indexOf('Mac')!=-1)?true:false;
ie=(navigator.appName.charAt(0) == "M")?true:false;