Sparklines tag values

HTML

<script src="http://omnipotent.net/jquery.sparkline/2.1.2/jquery.sparkline.min.js"></script>
<script src="http://bxslider.com/lib/jquery.bxslider.js"></script>
<ul class="bxslider">
  <li>
      <span class="slide-caption">Trigo</span>
      <div class="price-slide-wrp">
          <span id="spark-1" class="sparkline">5,6,7,9,9,5,3,2,2,4,6,7</span>
          <span id="spark-2" class="sparkline">5,1,7,0,1,5,3,6,8,4,4,2</span>
          <span id="spark-3" class="sparkline">1:3,2.7:4,2.8:3,null,2.9:4</span>
      </div>
  </li>
  <li>
      <span class="slide-caption">Soja</span>
      <div class="price-slide-wrp">
        <span id="spark-4" class="sparkline">5,6,7,9,9,5,3,2,2,4,6,7</span>
        <span id="spark-5" class="sparkline">5,1,7,0,1,5,3,6,8,4,4,2</span>
        <span id="spark-6" class="sparkline">1,2,7,2,9,5,3,8,2,1,3,0</span>
      </div>
  </li>
  <li>
      <span class="slide-caption">Maíz</span>
      <div class="price-slide-wrp">
        <span id="spark-7" class="sparkline">5,6,7,9,9,5,3,2,2,4,6,7</span>
        <span id="spark-8" class="sparkline">5,1,7,0,1,5,3,6,8,4,4,2</span>
        <span id="spark-9" class="sparkline">1,2,7,2,9,5,3,8,2,1,3,0</span>
      </div>
  </li>
</ul>

CSS

/** RESET AND LAYOUT
===================================*/

.bx-wrapper {
	position: relative;
	margin: 0 auto 60px;
	padding: 0;
	*zoom: 1;
}

.bx-wrapper ul{
    margin: 0;
    padding: 0;
}

.bx-wrapper img {
	max-width: 100%;
	display: block;
}

/** THEME
===================================*/
.bx-wrapper .bx-pager,
.bx-wrapper .bx-controls-auto {
	position: absolute;
	bottom: -30px;
	width: 100%;
}

/* LOADER */
.bx-wrapper .bx-loading {
	min-height: 50px;
	background: url(images/bx_loader.gif) center center no-repeat #fff;
	height: 100%;
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 2000;
}

/* PAGER */

.bx-wrapper .bx-pager {
	text-align: center;
	font-size: .85em;
	font-family: Arial;
	font-weight: bold;
	color: #666;
	padding-top: 20px;
}

.bx-wrapper .bx-pager .bx-pager-item,
.bx-wrapper .bx-controls-auto .bx-controls-auto-item {
	display: inline-block;
	*zoom: 1;
	*display: inline;
}

.bx-wrapper .bx-pager.bx-default-pager a {
	background: #666;
	text-indent: -9999px;
	display: block;
	width: 10px;
	height: 10px;
	margin: 0 5px;
	outline: 0;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border-radius: 5px;
}

.bx-wrapper .bx-pager.bx-default-pager a:hover,
.bx-wrapper .bx-pager.bx-default-pager a.active {
	background: #000;
}

/* DIRECTION CONTROLS (NEXT / PREV) */

.bx-wrapper .bx-prev {
	left: 10px;
	background: url(images/controls.png) no-repeat 0 -32px;
}

.bx-wrapper .bx-next {
	right: 10px;
	background: url(images/controls.png) no-repeat -43px -32px;
}

.bx-wrapper .bx-prev:hover {
	background-position: 0 0;
}

.bx-wrapper .bx-next:hover {
	background-position: -43px 0;
}

.bx-wrapper .bx-controls-direction a {
	position: absolute;
	top: 50%;
	margin-top: -16px;
	outline: 0;
	width: 32px;
	height: 32px;
	text-indent: -9999px;
	z-index: 9999;
}

.bx-wrapper .bx-controls-direction a.disabled {
	display: none;
}

/* AUTO CONTROLS (START / STOP) */

.bx-wrapper .bx-controls-auto {
	text-align: center;
}

.bx-wrapper...

JavaScript

var $sparklines = $('.sparkline');
if($sparklines.length){
    $.fn.sparkline.defaults.line.fillColor = '#ffffff';
    $.fn.sparkline.defaults.line.width = 100;
    $sparklines.sparkline('html');
}

$('.bxslider').bxSlider({
    slideWidth: 600,
    slideMargin: 10,
    controls: false,
    infiniteLoop: true,
    auto: true,
    autoHover: true,
    captions: true
});