<script type="text/javascript" src="/js/jquery.js">
$(".table .price_num").html(.....
var date = new Date( new Date().getTime() + 60*1000 );
document.cookie="name=date; path=/; expires="+date.toUTCString();
function wrapText(elementID, openTag, closeTag) {
var textArea = $('#' + elementID);
var len = textArea.val().length;
var start = textArea[0].selectionStart;
var end = textArea[0].selectionEnd;
var selectedText = textArea.val().substring(start, end);
var replacement = openTag + selectedText + closeTag;
textArea.val(textArea.val().substring(0, start) + replacement + textArea.val().substring(end, len));
}