Random Imgur Pictures

<!DOCTYPE html>
<html>
<head>
  <title>random imgur</title>
  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
  <script type="text/javascript">
    var Imgur = {
        fetch: function(num) {
            var self=this;
            self.total=num;
            self.done=0;
            self.failures=0;
            self.start=+new Date;

            $('#images').empty();
            for (var x = 0; x < num; x++) {
                self.hunt(function(id) {
                    self.done++;
                    $('#images').prepend("<li><a href='http://imgur.com/" + id + "' target=_blank><img src='http://i.imgur.com/" + id + "s.png' height='200' width='200' /></a></li>");
                    self.update();
                });
            }
        },
        update: function() {
            var interval=new Date-this.start;
            function speed(v) { return (~~(v/interval*1e5))/100; }
            $('#info').html((this.done<this.total?"Loading.. "+this.done+"/"+this.total+" ("+this.failures+" failures"+") ":"Done. ")+"["+speed(this.failures+this.done)+" req/s - "+speed(this.done)+" img/s]");
        },

        hunt: function(cb) {
            var self=this,
                id = self.random(5),
                img = new Image;
            self.update();
            img.src = "http://imgur.com/"+id+"s.png";
            img.onload = function() {
                if (img.width==198 && img.height==160 || img.width==161 && img.height==81) {
                    // assume this is an imgur error image, and retry.
                    fail();
                } else {
                    cb(id);
                }
            }
            img.onerror = fail; // no escape.
            function fail() {
                self.failures++;
                self.update();
                self.hunt(cb);
            }
        },

        random: function(len) {
            var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
            return len?chars.charAt(~~(Math.random()*chars.length))+this.random(len-1):"";
        }
    };

    $(document).ready(function() {
      $('#random').bind('click', function(e) {
          Imgur.fetch(500);
      });
    });
  </script>

  <style>
body {
	font-family: "Lucida Grande", Helvetica, Arial, sans-serif;
	font-size: .7em;
	margin: 0;
	padding: 0;
}

body, ul, ol, li, p, pre, div, a {
	padding: 0;
	margin: 0;
	list-style: none;
	text-decoration: none;
	color: #333;
}

#tabs pre {
    color: #333;
}

a {
	outline: none;
	font-weight: bold;
	text-shadow: 0 1px 0 #000;
	cursor: pointer;
}

#tabs a {
	text-shadow: 0 1px 0 #999;
}
#tabs #resources a {
	font-size: 1.3em;
}

.tCont {
	font-size: 1em;
	font-family: "Monaco", Helvetica, Arial, sans-serif;
}

#wrapper {
	overflow: hidden;
}

#head,
#triggers,
#actions li,
#triggers li a,
#actions li.active,
#actions li.active a,
#head h1 a {
	background-image: url(../img/mooshell-frame.sprite.png);
}

#head {
	background-position: 0 0;
	background-repeat: repeat-x;
	position: relative;
	height: 30px;
	overflow: hidden;
}

	#head h1 {
		float: left;
		height: 30px;
		width: 138px;
		margin: 0 0 0 10px;
	}

		#head h1 a {
			float: left;
			height: 30px;
			width: 138px;
			background-position: 100% -112px;
			text-indent: -9999em;
		}

#actions {
	float: right;
}

	#actions li {
		float: left;
		height: 30px;
		background-position: 0 -47px;
		background-repeat: no-repeat;
	}

		#actions li a {
			display: block;
			height: 30px;
			line-height: 28px;
			padding: 0 14px;
			color: #fff;
		}

	#actions li.active {
		background-position: 0 -173px;
	}

		#actions li.active a {
			background-position: 100% -173px;
			color: #333;
			text-shadow: none;

		}

#triggers {
	float: right;
	padding: 0 4px;
	background-position: 0 -47px;
}

	#triggers li {
		float: left;
		height: 30px;
		background-repeat: no-repeat;
	}

	#triggers li.tRun a {
		background-position: 0 -112px;
	}

	#triggers li.tEdit a {
		background-position: -31px -112px;
	}

		#triggers li a {
			display: block;
			height: 30px;
			text-indent: -9000em;
			width: 31px;
		}

#tabs {
	background: #fff;
	position: relative;
}

	#tabs .tCont {
		padding: 10px;
		margin: 0;
		display: none;
		overflow: auto;
	}

	#tabs .active {
		display: block;
	}

#result iframe {
	width: 100%;
	border: none;
}

    h1 {
        margin-bottom: 20px;
    }
    #images {
        margin: 20px 0;
    }
    #images li {
        float: left;
        padding: 5px;
    }

    p { clear: both }
/* ----------------------------- CLEARFIX ----------------------------------- */

.clearfix:after {
	content: ".";
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}

.clearfix {display: inline-block;}  /* for IE/Mac */

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td {
	margin:0;
	padding:0;
}
table {
	border-collapse:collapse;
	border-spacing:0;
}
fieldset,img {
	border:0;
}
address,caption,cite,code,dfn,em,strong,th,var {
	font-style:normal;
	font-weight:normal;
}
ol,ul {
	list-style:none;
}
caption,th {
	text-align:left;
}
h1,h2,h3,h4,h5,h6 {
	font-size:100%;
	font-weight:normal;
}
q:before,q:after {
	content:'';
}
abbr,acronym { border:0;}


  </style>
</head>
<body>
  <h1>Random Imgur</h1>

  <p id="info"></p>

  <ul id="images"> </ul>

  <p><button id="random">Show me more!</button></p>
</body>
</html>