Scroll title/artist in tab title for Pandora

PandoraTitleScroller.js

// Copy/paste into Console/Firebug

window.PandoraTitleScroller = {}
window.PandoraTitleScroller.index = 0;
window.PandoraTitleScroller.length = 20;
window.PandoraTitleScroller.title = $('.trackData').children().first().children().first().html() + ' by ' + $('.trackData').children().eq(1).children().eq(1).html();

//Kinda buggy but it works for what I wanted

window.setInterval(function () {

  var title = $('.trackData').children().first().children().first().html() + ' by ' + $('.trackData').children().eq(1).children().eq(1).html();

	//If song has changed
	if (title != window.PandoraTitleScroller.title) {
		window.PandoraTitleScroller.title = title;
		window.PandoraTitleScroller.index = 0;
	}

	var doubleTitle = title+' - '+title;
	var display = doubleTitle.substr(window.PandoraTitleScroller.index, window.PandoraTitleScroller.length);
	
	//Skip spaces on the far left, as they are not displayed anyways and it looks jumpy
	while (display.substr(0,1) == ' ') {
		window.PandoraTitleScroller.index++;
		display = doubleTitle.substr(window.PandoraTitleScroller.index, window.PandoraTitleScroller.length);
	}
    
	//If title is longer than display, increment it one next time
	if (title.length > window.PandoraTitleScroller.length) {
		window.PandoraTitleScroller.index++;
		if (window.PandoraTitleScroller.index == (title.length + 4)) {
			window.PandoraTitleScroller.index = 1;
		}
		display = display+'...';
	} else {
		display = title;
	}

	window.document.title = display;

}, 350);