$(document).ready(function ()
{
$('.NO-CACHE').attr('src',function () { return $(this).attr('src') + "?a=" + Math.random() });
});
var nods = document.getElementsByClassName('NO-CACHE');
for (var i = 0; i < nods.length; i++)
{
nods[i].attributes['src'].value += "?a=" + Math.random();
}