<script type="text/javascript" src="jquery.js"></script>

<script type="text/javascript" src="jquery.sortElements.js"></script>

$(document).ready(function(){
var table = $('#mytable');//table的id
$('#sort_header')//要排序的headerid
.each(function(){
var th = $(this),
thIndex = th.index(),
inverse = false;

th.click(function(){
table.find('td').filter(function(){
return $(this).index() === thIndex;
}).sortElements(function(a, b){
return $.text([a]) > $.text([b]) ?
inverse ? -1 : 1
: inverse ? 1 : -1;
}, function(){
return this.parentNode;
});
inverse = !inverse;

});
});
});

<table id="mytable">
<tr>
<th id="sort_header">Facility name</th>
<th>Phone #</th>
<th id="city_header">City</th>
<th>Speciality</th>
</tr>
<tr>
<td>CCC</td>
<td>00001111</td>
<td>Amsterdam</td>
<td>GGG</td>
</tr>
...
</table>