function comprasvs(forma){
	if(forma.esearch.value == ""){
		alert("Por favor ingresa una palabra clave.");
		return false;
	}
	else {
		return true;
	}
}
function writeFooter() {
	out = '' +
	'<style>' +
	he+'copy{font-family : Verdana, Arial, Helvetica;color:#000000;font-size:9px;}' +	
	he+'copy A,'+he+'copy A:visited{color:#000000;text-decoration:none;}' +	
	he+'copy A:hover{text-decoration:underline;}' +
	he+'Search { color: #3A3A3A; font-size: 9px; '+ff+' letter-spacing: 1px; vertical-align: middle; text-align: left; width: 40px;}' +
	he+'SearchText { color: #3A3A3A; font-size: 9px; '+ff+' border: thin groove; border-bottom: thin groove; width: 145px;}' +
	'</style>' +
	'<table '+tc+' width="750" bgcolor="#FFFFFF">' +
	'<tr><td><img src="'+imgURL+'spacer.gif" width="1" height="20" alt="" border="0"></td></tr>'+
	'<tr>' +
	'	<td><img src="'+imgURL+'plc_footer_light.gif" width="750" height="3" alt="" border="0"></td>' +	
	'</tr>' +		
	'<tr><td align="center">' +	
	'<form action="http://buscador.esmas.com/esmasr.php" method="post" onsubmit="return comprasvs(this);" name="esmas_search">' +
	'    <table height="30px" '+tc+'><tr>' +
	'	 	<td width="5px"<img src="'+imgURL+'spacer.gif" width="1" height="1" alt="" border="0"></td>' +
	'		<td width="10px"><input type="Radio" name="tipo" value="0" checked></td>' +
	'		<td class="esmasHdr_Search">internet</td>' +
	'		<td width="10px"><input type="Radio" name="tipo" value="1"></td>' +
	'		<td class="esmasHdr_Search">esmas</td>'+
	'		<td width="150px"><input type="Text" name="esearch" class="esmasHdr_SearchText"></td>' +
	'		<td width="60px"><input type="image" src="'+imgURL+'head_bt_buscar.gif" width="57" height="21" alt="" border="0"></td>' +
	'		<td width="75px" valign="middle" align="right"><img src="'+imgURL+'head_l_google.gif" width="75" height="25" alt="" border="0"></td>' +
	'		<td width="5px"><img src="'+imgURL+'spacer.gif" width="1" height="2" alt="" border="0"></td>'+
	'	</tr>'+
	'	</table>'+
	'</form>' +
	'</td></tr>' +
	'<tr>' +
	'<td class="esmasHdr_copy" style="padding-left:5px;padding-right:5px;" align="center"><a href="'+hmURL+'flat/anunciate.html" target="_blank">An&uacute;nciate</a> | <a href="'+hmURL+'flat/escribenos.html" target="_blank">Cont&aacute;ctanos</a> | <a href="http://www.televisa.com" target="_blank">Televisa.com</a> | <a href="http://www.fundaciontelevisa.com" target="_blank">Fundaci&oacute;n Televisa</a> | <a href="'+hmURL+'conveniousuario" target="_blank">Convenio del Usuario</a> | <a href="'+hmURL+'politicaprivacidad" target="_blank">Pol&iacute;tica de Privacidad</a> | <a href="http://www.esmas.com/cosmosfiles/html/ofertas_empleo/ofertasempleo.html" target="_blank">Ofertas de Empleo</a><br><span style="line-height:8px;font-size:8px;"><br></span>' + 
	'ESMAS y el logotipo de ESMAS son marcas registradas. Derechos Reservados &copy; Comercio Mas, S.A. de C.V. 2004.</td>' +
	'</tr>' +
	'<tr align="right"><td style="padding: 5px;"><img src="'+imgURL+'logo_price_certificado.GIF" height="30" width="160" border="0"></td></tr>'+
	'</table>';
	document.write(out);
}