change all this to something else
function updateqty(element) {
itemname = $(element).attr('name').slice(9, -1);
itemqty = $(element).val();
$.ajax({
url: "your_link.php",
type: 'GET',
dataType: 'html',
data: "data=value&data2=value2",
timeout: 90000,
success: function(html)
{
});
}