function get_submit(str)
{
	if(str==1) {
		document.cart_details.action="delete_cart.php";
		document.cart_details.submit();
	} else if(str==2){
		document.cart_details.action="update_cart.php";
		document.cart_details.submit();
	} else if(str==3){
		document.cart_details.action="check_out.php";
		document.cart_details.submit();
	}
}