function ChangeIframeSource1(url,id){
	if(parent.document.getElementById(id) != null){
		parent.document.getElementById(id).src=url;
	}
}


function ChangeIframeSource2(url,id){
	if(navigator.appName == "Netscape"){
		document.getElementById('conteudo').src = "";
	}
	document.getElementById('conteudo').src = url;
}