$(document).ready( function() {
   
    $('a[class*="popup"]').click( function() {
        var theClass = $(this).attr('class');
        // the popup class MUST be the first class setting
        if(theClass.indexOf('popup') > 0) return false;
        var href = $(this).attr('href');
        var width = parseInt(theClass.split('-')[1],10);
        var height = parseInt(theClass.split('-')[2],10);
        var properties = 'scrollbars=yes,width=' + width + ',height=' + height;
        window.open(href,'popup',properties);
        return false;
    });
   
});