function alturaAutomaticaIframe(obj) {
	var apply = function(alt) { document.getElementById(obj).style.height = alt + "px"; }
	var altNIE = function() { apply(document.getElementById(obj).contentWindow.document.body.parentNode.offsetHeight + 5); }
	var altFIE = function() { apply(document.getElementById(obj).contentWindow.document.body.scrollHeight + 5); }
	navigator.appName.indexOf("Internet Explorer") > -1 ? setTimeout(altFIE, 100) : altNIE();
}
function selos(obj, visibility, left) {
	if(obj) {
		if(left) { obj.style.left = left; }
		if(visibility == "visible" || visibility == "1") {
			obj.style.visibility = "visible";
		} else if(visibility == "hidden" || visibility == "0") {
			obj.style.visibility = "hidden";
		}
	} else { alert("Object not found!"); }
}