function exibe_iframe(tad,width,height,id) {
	var iframe = "";
	iframe += ' <iframe src="'+tad+'" width="'+width+'" height="'+height+'" id="'+id+'" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" target="_top">';
	iframe += '</iframe>';
	document.write(iframe);
}

function exibe_iframe1(tad,width,height,id) {
	var iframe = "";
	iframe += ' <iframe src="'+tad+'" width="'+width+'" height="'+height+'" id="'+id+'" frameborder="0" scrolling="auto" allowtransparency="yes" style="background-color: transparent" marginheight="0" marginwidth="0" target="_top">';
	iframe += '</iframe>';
	document.write(iframe);
}