var $j = jQuery.noConflict();

$j(function() {
	for(var i=1;i<=5;i++) {
		innerNaviBtns(i);
	}
});

function innerNaviBtns(i) {
	document.getElementById("item0"+i).onmouseover = function() {
		document.getElementById("item0"+i).style.overflow = "visible";
	}
	document.getElementById("item0"+i).onmouseout = function() {
		document.getElementById("item0"+i).style.overflow = "hidden";
	}
}
function readMore () {
	var area = document.getElementById ('readMore');
	var div = area.getElementsByTagName ('div');
	var total = div.length;
	for (i = 0; i < total; i++) {
		if (div[i].className == 'close') {
			div[i].className = 'open';
		} else if (div[i].className == 'open') {
			div[i].className = 'close';
		}
	}
}