I hipe this is right place to ask.
I have parent page and child page.
when i click hyperlink from parent page, child page will pop up . At that time I want my parent page to cover with something or invisible.
bz in the child page, i let user to answer question and answer. when they answering question, i wont let user to click hyper link again from my parent page. how would i disable my parent page.
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