function escreve_topo(){
 document.write('<!--[if !IE]> -->');
 document.write('<object type="application/x-shockwave-flash" data="images/site.swf" width="769" height="550">'); 
 document.write('<!-- <![endif]-->'); 
 document.write('<!--[if IE]>'); 
 document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="769" height="550">'); 
 document.write('<param name="movie" value="images/site.swf" />'); 
 document.write('<!--><!----> <param name="loop" value="true" /> <param name="menu" value="false" />'); 
 document.write('<p>Aguarde Leitura ! < /p> </object> <!– <![endif]–>');
}