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<form name="rolloverbox">
  <p><input type="checkbox" name="boxes" value="ON"><a href="http://www.html-sehri.tr.gg"
  onMouseover="rollovercheck(0)" onMouseout="rolloutcheck(0)">Ana sayfa</a><br>
  <input type="checkbox" name="boxes" value="ON"><a
  href="http://www.html-sehri.tr.gg" onMouseover="rollovercheck(1)"
  onMouseout="rolloutcheck(1)">Üye ol</a><br>
  <input type="checkbox" name="boxes" value="ON"><a
  href="http://www.html-sehri.tr.gg" onMouseover="rollovercheck(2)"
  onMouseout="rolloutcheck(2)">Programlar</a><br>
  <input type="checkbox" name="boxes" value="ON"><a
  href="http://www.html-sehri.tr.gg" onMouseover="rollovercheck(3)"
  onMouseout="rolloutcheck(3)">Online tv</a><br>
  <input type="checkbox" name="boxes" value="ON"><a
  href="http://www.html-sehri.tr.gg" onMouseover="rollovercheck(4)"
  onMouseout="rolloutcheck(4)">E-Kart</a><br>
  <input type="checkbox" name="boxes" value="ON"><a
  href=http://www.html-sehri.tr.gg onMouseover="rollovercheck(5)"
  onMouseout="rolloutcheck(5)">Gezginlist</a></p>
</form>

<script>
var thebox=document.rolloverbox
function rollovercheck(whichbox){
thebox.boxes[whichbox].checked=true
}

function rolloutcheck(whichbox){
thebox.boxes[whichbox].checked=false
}
</script>
<!--- KAYNAK: http://www.html-sehri.tr.gg --->