var el=document.getElementById('add_to_cart_button');
var el2 = document.getElementById('product_options_el');
var el3 = document.getElementById('product_out_of_stock');

var status = "";
el.style.display = status;
el2.style.display = status;
if(status == "none")
	el3.style.display = "";
else 
	el3.style.display = "none";