function Show(who) {
	divel=document.getElementById(who);
	divel.style.display="inline";
}

function Hide(who) {
	divel=document.getElementById(who);
	divel.style.display="none";
}

function tabOn(zz) {
	jQuery("#book").css({ display : "inline" });	
	jQuery("#book-page").css({ display : "inline" });
	jQuery("#tab-on").css({ display : "inline" });

}

function tabOff(zz) {
	jQuery("#book").css({ display : "none" });
	jQuery("#book-page").css({ display : "none" });
	jQuery("#tab-on").css({ display : "none" });
}