[Sleipnir]HLR LDRize

HLR.LDRize.html

<!-- append to line 6 by descript_compact.html -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
<script type="text/javascript" src="$PNIR_DESCRIPTION_PATH$LDRize.js"></script>
<style type="text/css"> #current a { color:gold; } </style>
<!-- end -->

LDRize.js

jQuery.easing.easeOutCubic = function (x, t, b, c, d) { return c*((t=t/d-1)*t*t + 1) + b; };
jQuery(function($){
	var LDRize = {};
	LDRize.move = function(i){
		var headers = $('h1.title');
		var max  = headers.length - 1;
		var now  = $('#current').index('h1.title');
		var next = now + i;
		
		if(next < 0){
			return;
		}
		else if(next > max){
			var a = $('a[href="headline:nextpage"]').get(0)
			if(a) a.click();
			return;
		}
		else{
			headers.eq(now).removeAttr('id');
			var next = headers.eq(next).attr('id','current');
			var top = next.offset().top -10;
			$('html,body').animate({scrollTop:top},'normal','easeOutCubic');
		}
	}
	LDRize.open = function(){
		var current = $('#current>a');
		if(current.length)
			current.get(0).click();
	}
	LDRize.star = function(){
		var current = $('#current>span>a');
		if(current.length)
			current.get(0).click();
	}

	function keyUp(evt){
		switch(evt.keyCode){
		case 74: // J
			LDRize.move(1); break;
		case 75: // K
			LDRize.move(-1); break;
		case 80: // P
			LDRize.star(); break;
		case 86: // V
			LDRize.open(); break;
		};
	}
	$(document).keyup(keyUp);
});