ya lo solucione cambiando el codigo de una forma un poco primitiva pero funciona...
por si a alguien le interesa...
<script language="JavaScript">
function crearFrame( ) {
document.getElementById('theiframe1').style.displa y='block';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
<script language="JavaScript">
function crearFrame1( ) {
document.getElementById('theiframe2').style.displa y='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
(...)
<script language="JavaScript">
function crearFrame6( ) {
document.getElementById('theiframe7').style.displa y='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
<script language="JavaScript">
function crearFrame7( ) {
document.getElementById('theiframe8').style.displa y='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
<script language="JavaScript">
function crearFrame8( ) {
document.getElementById('theiframe9').style.displa y='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
<script language="JavaScript">
function crearFrame9( ) {
document.getElementById('theiframe1a').style.displ ay='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1b').style.displ ay='none';
}
</script>
<script language="JavaScript">
function crearFrame1a( ) {
document.getElementById('theiframe1b').style.displ ay='block';
document.getElementById('theiframe1').style.displa y='none';
document.getElementById('theiframe2').style.displa y='none';
document.getElementById('theiframe3').style.displa y='none';
document.getElementById('theiframe4').style.displa y='none';
document.getElementById('theiframe5').style.displa y='none';
document.getElementById('theiframe6').style.displa y='none';
document.getElementById('theiframe7').style.displa y='none';
document.getElementById('theiframe8').style.displa y='none';
document.getElementById('theiframe9').style.displa y='none';
document.getElementById('theiframe1a').style.displ ay='none';
}
</script>
<div id="d_dp1"><a href="#" onclick="crearFrame()">LEAGUE RULES </a></div>
<div id="d_dp2"><div class="cat"><a href="javascript
:desplegar('nosotros');">LEAGUE SCHEDULE</a></div>
<ul class="ocultar_menu" id="nosotros">
<li><a href="#" onclick="crearFrame1()">Women Over 30 Division 1</a></li>
<li><a href="#" onclick="crearFrame2()">Women Over 30 Division 2</a></li>
<li><a href="#" onclick="crearFrame3()">Women Over 30 Division 3</a></li>
<li><a href="#" onclick="crearFrame4()">Men Over 30 Division</a></li>
<li><a href="#" onclick="crearFrame5()">Men Over 40 Premier</a></li>
<li><a href="#" onclick="crearFrame6()">Men Over 40 Division 2 </a></li>
<li><a href="#" onclick="crearFrame7()">Men's Open Premier Division</a></li>
<li><a href="#" onclick="crearFrame8()">Men's Open Division</a></li>
</ul></div>
<div id="d_dp3"><a href="#" onclick="crearFrame9()">SCORES</a></div>
<div id="d_dp4"><a href="#" onclick="crearFrame1a()">STANDINGS</a></div>
<div id="d_dp5"><a href="#" onclick="crearFrame1a()">SIGN UP</a></div>
<iframe id="theiframe1" src="rules.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe2" src="wo30div1.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe3" src="wo30div2.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe4" src="wo30div3.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe5" src="meno30div.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe6" src="meno40premier.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe7" src="meno40div2.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe8" src="mensopenpremier.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe9" src="mensopendiv2.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe1a" src="scores.html" style="display:none" allowtransparency="true"></iframe>
<iframe id="theiframe1b" src="standings.html" style="display:none" allowtransparency="true"></iframe>