javascript urgente porfavor

[bet]

Te dejo el código. Espero que te sirva:

<pre>
&lt;html&gt;
&lt;head&gt;
&lt;title&gt; New Document &lt;/title&gt;

&lt;script language=&quot;javascript&quot;&gt;
if (window.screen){
var w = screen.width; // ancho de la pantalla

if(document.layers){ // Netscape reconoce la propiedad layers IE no
if(w &lt; 740){
window.location.href=&quot;nets640.htm&quot;;
}
if(w &gt;= 740 &amp;&amp; w &lt; 835){
window.location.href=&quot;nets800.htm&quot;;
}
if(w &gt;= 835){
window.location.href=&quot;nets1024.htm&quot;;
}
}

if(document.all){
if(w &lt; 740){
window.location.href=&quot;ie640.htm&quot;;
}
if(w &gt;= 740 &amp;&amp; w &lt; 835){
window.location.href=&quot;ie800.htm&quot;;
}
if(w &gt;= 835){
window.location.href=&quot;ie1024.htm&quot;;
}
}

}
&lt;/script&gt;
&lt;/head&gt;

&lt;body bgcolor=&quot;#FFFFFF&quot;&gt;

&lt;/body&gt;
&lt;/html&gt; </pre>

<hr noshade size=1 color="#000000"><img src="http://www.gograph.com/Images-8712/ClipArt/cat03.gif" height="50" border=0 align="absmiddle"> <font size="2" face="verdana" color="#000000">bet[/CODE]