function opendiv(url, campo) {	

	elem = campo;
	
	document.getElementById(elem).innerHTML = "<table width=100% height=100%><tr><td class=\"Formulario\"><div align=center>A <strong>Invest Foz</strong> agradece sua atenção!</div> </div></td></tr></table>";
	
	new Ajax.Request(url, {
			method: 'get',    		               					  			
				onComplete:function( txt ) {
					Element.update(elem, txt.responseText);								 								
				}
		});
}