Setting with "direct HTML", "backslash+char" :<BR>

<INPUT   Type=TEXT   Value="Text without quote"   OnClick="alert('Click');"   ><BR>
<INPUT   Type=TEXT   Value="Text with quote \" (double)"   OnClick="alert('Click');"   ><BR>
<INPUT   Type=TEXT   Value='Text with quote \' (single)'   OnClick="alert('Click');"   ><BR>