如何禁用Zend表单中的表单元素?

I want to display a Zend Form with one of the elements shown as disabled. I'm setting the value so the user can see it, but I want to disable it so the user can't edit it. This may also involve some sort of css/javascript to ensure that it looks like, and is not editable by the user. This is my element:I want to display a Zend Form with one of the e