Dynamic properties in <html:text> tag

[pajarokillo]

I would like to set dynamicly the 'readonly' property of the <html:text> tag,

I have done it the next way

<bean:define id="pReadOnly" value="true" />

<hmtl:text name="myForm" property="myProp"
readonly="<%=pReadOnly%>" />

But, it don't work correctly.

How can i to do it?.