var tit="";

function onScrll() {
	var b = $S('iBoss');
	if (b.display == "block") {
		window.scrollTo(0,0);
	}
}

function boss(e) {
	var b = $S('iBoss');
	var keynum = (e == null) ? event.keyCode : e.which;
	
	if (keynum == 27) {
			b.display = (b.display == "none") ? "block" : "none";
			document.title = (document.title == tit) ? "Microsoft Excel - Книга 1" : tit;
			window.scroll(0,0);
	}	
		
}
function set_title() {
	tit = document.title;
}
function boss2() {
	var b = $S('iBoss');
	b.display = "block";
	document.title = "Microsoft Excel - Книга 1";
	window.scroll(0,0);
}

window.onload = set_title;
window.onscroll = onScrll;
document.onkeydown = boss;