// JavaScript Document
function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement) {
	x1 = document.documentElement.scrollLeft || 0;
	y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
	x2 = document.body.scrollLeft || 0;
	y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if (x > 0 || y > 0) {
	window.setTimeout("backToTop()", 25);
	}
}

function year() {  
	var data = new Date();  
	var now_year = data.getFullYear();  
	document.write(now_year);  
}

function jump(obj) {

	title = obj.options[obj.selectedIndex].title;
	url = obj.options[obj.selectedIndex].value;
	if(url != "" ){
		if(title != "" ){
			window.open(url,'');
		} else {
			location.href = url;
		}
	}
}

// jquery
$(function() {
	$("#nav").load("Library/nav.lbi");
})