estoy diseñando un sitio web en dreamweaver mx, y me tira errores como que   las etiquetas <marquee> y la linea marcada abajo en rojo no admite el atributo (por ej lefmargin) en la etiqueta BODY y señala el navegador netscape version 6 y 7.
les comento que tengo ie7 y me funciona de maravilla la pagina.
nose si ignorar los errores estos o tratarlos de alguna manera que no se como.
por otra parte tampoco se que tan viejas son las versiones 6 y 7 de netscape, si son viejas ignoraria el tema.
 
 
<HTML>
<HEAD>
<TITLE>50la que va2</TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<style type="text/css">
<!--
body {
	background-image: url(images/fondo.jpg);
}
.Estilo4 {color: #FFFFFF; font-family: Arial, Helvetica, sans-serif; font-size: 20px;}
-->
</style>
<script language="JavaScript" type="text/JavaScript">
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function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
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function MM_findObj(n, d) { //v4.01
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}
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</HEAD>
 <BODY BGCOLOR=#FFFFFF LEFTMARGIN=0 TOPMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0 onLoad="MM_preloadImages('file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b5_over.gif','file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b1_over.gif','file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b2_over.gif','file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b3_over.gif','file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b4_over.gif')">
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<TABLE ID="Tabla_01" WIDTH=780 HEIGHT=600 BORDER=0 CELLPADDING=0 CELLSPACING=0>
	<TR>
 
		<TD WIDTH=780 HEIGHT=45 COLSPAN=2 class="Estilo4">        
	  <marquee behavior="slide"> <class="Estilo4"> Consultora de Relaciones Públicas</class="estilo4"> 
	  </marquee>
		</TD>
  </TR>
	<TR>
		<TD COLSPAN=2>
			<IMG SRC="images/ideas-del-litoral_02.jpg" WIDTH=780 HEIGHT=7 ALT=""></TD>
	</TR>
	<TR bgcolor="BB74F2">
		<TD WIDTH=780 HEIGHT=31 COLSPAN=2> 			</TD>
  </TR>
	<TR>
		<TD COLSPAN=2>
			<IMG SRC="images/ideas-del-litoral_04.jpg" WIDTH=780 HEIGHT=4 ALT=""></TD>
	</TR>
	<TR>
		<TD COLSPAN=2><img src="images/isologocab.gif" width="780" height="202"> </TD>
	</TR>
	<TR>
		<TD COLSPAN=2>
			<IMG SRC="images/ideas-del-litoral_06.jpg" WIDTH=780 HEIGHT=31 ALT=""></TD>
	</TR>
	<TR bgcolor="303241">
		<TD WIDTH=780 HEIGHT=31 COLSPAN=2><table border="0" cellpadding="0" cellspacing="0">
		  <tr>
		    <td><a href="javascript:;" target="_top" onClick="MM_nbGroup('down','group1','cutoutpill_b5  ','',1)" onMouseOver="MM_nbGroup('over','cutoutpill_b5','fi  le:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b5_over.gif','',1)" onMouseOut="MM_nbGroup('out')"><img src="file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b5.gif" alt="" name="cutoutpill_b5" width="113" height="27" border="0" onload=""></a></td>
		    <td><a href="javascript:;" target="_top" onClick="MM_nbGroup('down','group1','cutoutpill_b1  ','',1)" onMouseOver="MM_nbGroup('over','cutoutpill_b1','fi  le:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b1_over.gif','',1)" onMouseOut="MM_nbGroup('out')"><img src="file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b1.gif" alt="" name="cutoutpill_b1" width="113" height="27" border="0" onload=""></a></td>		    <td><a href="javascript:;" target="_top" onClick="MM_nbGroup('down','group1','cutoutpill_b2  ','',1)" onMouseOver="MM_nbGroup('over','cutoutpill_b2','fi  le:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b2_over.gif','',1)" onMouseOut="MM_nbGroup('out')"><img src="file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b2.gif" alt="" name="cutoutpill_b2" width="113" height="27" border="0" onload=""></a></td>
		    <td><a href="javascript:;" target="_top" onClick="MM_nbGroup('down','group1','cutoutpill_b3  ','',1)" onMouseOver="MM_nbGroup('over','cutoutpill_b3','fi  le:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b3_over.gif','',1)" onMouseOut="MM_nbGroup('out')"><img src="file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b3.gif" alt="" name="cutoutpill_b3" width="113" height="27" border="0" onload=""></a></td>
		    <td><a href="javascript:;" target="_top" onClick="MM_nbGroup('down','group1','cutoutpill_b4  ','',1)" onMouseOver="MM_nbGroup('over','cutoutpill_b4','fi  le:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b4_over.gif','',1)" onMouseOut="MM_nbGroup('out')"><img src="file:///C|/ideas%20del%20litoral/NewFolder2/cutoutpill_b4.gif" alt="" name="cutoutpill_b4" width="113" height="27" border="0" onload=""></a></td>
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      </table></TD>
	</TR>
	<TR>
		<TD WIDTH=242 HEIGHT=227> 			</TD>
		<TD WIDTH=538 HEIGHT=227> 			</TD>
	</TR>
	<TR>
		<TD COLSPAN=2>
			<IMG SRC="images/ideas-del-litoral_10.jpg" WIDTH=780 HEIGHT=23 ALT=""></TD>
	</TR>
</TABLE>
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</BODY>
</HTML> 
  
 
