//HTTP Request AjAX
function ObjAjax(){
	try{return new XMLHttpRequest()}
	catch(e){try{return new ActiveXObject("Msxml2.XMLHTTP")}
	catch(e){return new ActiveXObject("Microsoft.XMLHTTP")}}
	return null;
}

function ft(obj){
	var pic = new Image();
	var principal = document.getElementById("principal");
	pic.src = obj;
	principal.src = pic.src;
	}
	
function valCont(){
	var frm = document.form;
	var err = "";
	
	if(!frm.nome.value)err+="Digite seu nome\n";
	if(!frm.email.value)err+="Digite seu email\n";
	if(!frm.tel.value)err+="Digite seu telefone\n";
	if(!frm.setor.value)err+="Selecione um setor\n";
	if(!frm.msg.value)err+="Digite uma mensagem\n";
	
	if(!err){frm.submit()}else{alert(err)}
}

function FechaFloater(){
	document.getElementById("floater").style.display="none";
	}