Webmaster - Podrias ayudarme con este script=?

Te agradeceria que me dijeras por que estemenu me da error cada vez que paso el raton por el , intentar actualizar mi pagina me da error?
ya he intentado solucionarlo pero nada!Gracias
de antemano
Att Richard
Te paso el Script

<table border="0" cellpadding="0" cellspacing="0" width="765">
<tr>
<td><img src="imagenes/mnav/spacer.gif" width="49" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="94" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="64" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="64" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="47" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="1" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="94" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="76" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="94" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="76" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="75" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="1" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="30" height="1" border="0"></td>
<td><img src="imagenes/mnav/spacer.gif" width="1" height="1" border="0"></td>
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<tr>
<td><a href="index.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav1_1_1','imagenes/mnav/mnav1_1_1f2f2.gif','imagenes/mnav/mnav1_1_1f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav1_1_1','imagenes/mnav/mnav1_1_1f3f3.gif',1);" ><img name="mnav1_1_1" src="../imagenes/mnav/mnav1_1_1.gif" width="49" height="20" border="0"></a></td>
<td><a href="informacion.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav2_2_2','imagenes/mnav/mnav2_2_2f2f2.gif','imagenes/mnav/mnav2_2_2f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav2_2_2','imagenes/mnav/mnav2_2_2f3f3.gif',1);" ><img name="mnav2_2_2" src="../imagenes/mnav/mnav2_2_2.gif" width="94" height="20" border="0"></a></td>
<td><a href="turismo.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav3_3_3','imagenes/mnav/mnav3_3_3f2f2.gif','imagenes/mnav/mnav3_3_3f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav3_3_3','imagenes/mnav/mnav3_3_3f3f3.gif',1);" ><img name="mnav3_3_3" src="../imagenes/mnav/mnav3_3_3.gif" width="64" height="20" border="0"></a></td>
<td><a href="cultura.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav4_4_4','imagenes/mnav/mnav4_4_4f2f2.gif','imagenes/mnav/mnav4_4_4f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav4_4_4','imagenes/mnav/mnav4_4_4f3f3.gif',1);" ><img name="mnav4_4_4" src="../imagenes/mnav/mnav4_4_4.gif" width="64" height="20" border="0"></a></td>
<td><a href="ocio.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav5_5_5','imagenes/mnav/mnav5_5_5f2f2.gif','imagenes/mnav/mnav5_5_5f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav5_5_5','imagenes/mnav/mnav5_5_5f3f3.gif',1);" ><img name="mnav5_5_5" src="../imagenes/mnav/mnav5_5_5.gif" width="47" height="20" border="0"></a></td>
<td><img name="mnav6_6_6" src="imagenes/mnav/mnav6_6_6.gif" width="1" height="20" border="0"></td>
<td><a href="comunicaciones.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav7_7_7','imagenes/mnav/mnav7_7_7f2f2.gif','imagenes/mnav/mnav7_7_7f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav7_7_7','imagenes/mnav/mnav7_7_7f3f3.gif',1);" ><img name="mnav7_7_7" src="../imagenes/mnav/mnav7_7_7.gif" width="94" height="20" border="0"></a></td>
<td><a href="especiales.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav8_8_8','imagenes/mnav/mnav8_8_8f2f2.gif','imagenes/mnav/mnav8_8_8f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav8_8_8','imagenes/mnav/mnav8_8_8f3f3.gif',1);" ><img name="mnav8_8_8" src="../imagenes/mnav/mnav8_8_8.gif" width="76" height="20" border="0"></a></td>
<td><a href="alojamiento.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav9_9_9','imagenes/mnav/mnav9_9_9f2f2.gif','imagenes/mnav/mnav9_9_9f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav9_9_9','imagenes/mnav/mnav9_9_9f3f3.gif',1);" ><img name="mnav9_9_9" src="../imagenes/mnav/mnav9_9_9.gif" width="94" height="20" border="0"></a></td>
<td><a href="catering.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav10_10_10','imagenes/mnav/mnav10_10_10f2f2.gif','imagenes/mnav/mnav10_10_10f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav10_10_10','imagenes/mnav/mnav10_10_10f3f3.gif',1);" ><img name="mnav10_10_10" src="../imagenes/mnav/mnav10_10_10.gif" width="76" height="20" border="0"></a></td>
<td><a href="comercio.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav11_11_11','imagenes/mnav/mnav11_11_11f2f2.gif','imagenes/mnav/mnav11_11_11f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav11_11_11','imagenes/mnav/mnav11_11_11f3f3.gif',1);" ><img name="mnav11_11_11" src="../imagenes/mnav/mnav11_11_11.gif" width="75" height="20" border="0"></a></td>
<td colspan="2"><a href="info.asp" onMouseOut="MM_nbGroup('out');" onMouseOver="MM_nbGroup('over','mnav12_12_12','imagenes/mnav/mnav12_12_12f2f2.gif','imagenes/mnav/mnav12_12_12f4f4.gif',1);" onClick="MM_nbGroup('down','navbar1','mnav12_12_12','imagenes/mnav/mnav12_12_12f3f3.gif',1);" ><img name="mnav12_12_12" src="../imagenes/mnav/mnav12_12_12.gif" width="31" height="20" border="0"></a></td>
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