onchange / onclick in a checkbox doesn't work in IE

Question

I have the following code, which works perfectly in Chrome/FF:

chkbx_send_demo.onchange = function(){
    if(sel_template.selectedIndex <= 0 && ch         


        

Answer 1

Internet Explorer only fires the onchange event when the checkbox loses the focus (onblur). also see here:
http://krijnhoetmer.nl/stuff/javascript/checkbox-onchange/
and here:
http://bytes.com/topic/javascript/answers/92116-onchange-checkbox