multiple column list problem

[Ruriko]

This is my layout http://anime.vibrantstream.com/wordpress/
The multiple column list isn't working if the text is too long which causes the next li to skip and go to the next column. How can I fix this?

body {
	margin: 0px;
	background-color: #000000;
	background-image: url(images/bg.jpg);
	background-repeat: repeat-x;
	background-attachment: fixed;
	font-family: Arial, Helvetica, sans-serif;
}

#wrapper {
	width: 970px;
	margin-right: auto;
	margin-left: auto;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-right-color: #4394ab;
	border-bottom-color: #4394ab;
	border-left-color: #4394ab;
	overflow: hidden;
	background-color: #272727;
}

#header {
	background-image: url(images/header.jpg);
	height: 200px;
	width: 970px;
}

#bar {
	background-image: url(images/bar.jpg);
	background-repeat: repeat-x;
	height: 30px;
	width: 970px;
	font-size: 12px;
	line-height: 29px;
}

#bar a {
	color: #FFFFFF;
	text-decoration: none;
	font-weight: bold;
	padding-right: 10px;
	padding-left: 10px;
	float: left;
}

#bar a:hover {
	color: #4394ab;
	background-color: #FFFFFF;
}

#content {
	width: 540px;
	float: left;
	padding: 10px;
	font-size: 12px;
	color: #4394ab;
}

#content h2 {
	font-size: 14px;
}

#sidebar {
	width: 400px;
	float: right;
	padding: 5px;
}

#sidebar li {
	list-style-type: none;
}

#sidebar li li {
	margin-left: 5px;
}

#sidebar ul {
	margin: 0px;
	padding: 0px;
}

#sidebar a, #content a {
	color: #FFFFFF;
	text-decoration: none;
}

#sidebar a:hover, #content a:hover {
	color: #4394ab;
	background-color: #FFFFFF;
}

#sidebar h2 {
	font-size: 14px;
	font-weight: bold;
	color: #FFFFFF;
	background-color: #4394ab;
	padding: 5px;
}

#left {
	width: 200px;
	float: left;
	font-size: 12px;
	color: #4394ab;
}

#right {
	width: 200px;
	float: right;
	font-size: 12px;
	color: #4394ab;
}

#footer {
	background-color: #4394ab;
	width: 970px;
	float: left;
	font-size: 12px;
	color: #FFFFFF;
	padding: 5px;
	text-align: center;
}

#footer a {
	color: #FFFFFF;
}

#footer a:hover {
	color: #000000;
}

input {
	border: 1px solid #4394ab;
	background-color: #FFFFFF;
	color: #4394ab;
}

#comment {
	width: 100%;
	border: 1px solid #4394ab;
}

.border {
	width: 160px;
	padding: 5px;
	border: 1px solid #4394ab;
	float: left;
	margin: 4px;
	list-style-type: none;
	text-align: center;
	font-weight: bold;
}

.title {
	padding: 5px;
	width: 150px;
	background-color: #4394ab;
	color: #FFFFFF;
}

.pic {
	height: 150px;
	width: 160px;
}

.date {
	background-color: #4394ab;
	padding: 5px;
	width: 150px;
	color: #FFFFFF;
}

img {
	border-top-width: 0px;
	border-right-width: 0px;
	border-bottom-width: 0px;
	border-left-width: 0px;
}