Add to Cart not working on IE8.

[pritesh_cool]

Hello All,

My Site Configuration :

Joomla 3.4 Version
VM : 3.0.8
PHP : 5.4

My issue is add to cart button in IE8. Add to cart is working perfect in all browser but when i open my site in IE8. Add to cart button not work. All custom fields ajax is working on IE8. When i click on add to cart nothing happen in the IE8. Also i have disable ajax update value in cart from admin. After that i have get an error when page will load in IE8 that is "SCRIPT438: Object doesn't support property or method 'updateDynamicUpdateListeners'" . So please let me know how i resolve this and what is this error. I have search and wonder about this error but nothing found yet. So please help me.

Also i am using ECHO template for my site. This templates demo site  add to cart is working on the IE8.

Thanks