a javascript function called by javascript echoed by php doesn't response -

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I have executed 2 JavaScript functions, which are echoed by PHP code in various ways. Here's the code. 

  & lt; Head & gt; & Lt; Script & gt; AjavascriptFunction () {document.write ('php echo writted javascript to call another javascript function, outside php echo, which it writes html); } & Lt; / Script & gt; & Lt; / Head & gt; & Lt; Html & gt; & Lt; Top & gt; & Lt; / Head & gt; & Lt; Body & gt; & Lt ;? Php echo "

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