function mostra1(){
// Mostrar Campo Cidade
				if (document.getElementById("campo1").style.display == "block") {
   	         	document.getElementById("campo1").style.display = "block";
       			 } else {
            	document.getElementById("campo1").style.display = "block";
        		document.getElementById("campo2").style.display = "none";
				}
}
function mostra2(){
// Mostrar Campo Hotel
				if (document.getElementById("campo2").style.display == "block") {
            	document.getElementById("campo2").style.display = "block";
				} else {
            	document.getElementById("campo2").style.display = "block";
				document.getElementById("campo1").style.display = "none";
        		}
}

function mostra3(){
// Mostrar Local Retirada
				if (document.getElementById("campo4").style.display == "block") {
   	         	document.getElementById("campo4").style.display = "none";
       			 } else {
            	document.getElementById("campo4").style.display = "none";
				}
}
function mostra4(){
// Mostrar Local Devolução
				if (document.getElementById("campo4").style.display == "none") {
            	document.getElementById("campo4").style.display = "block";
				} else {
            	document.getElementById("campo4").style.display = "block";
				document.getElementById("campo3").style.display = "block";
        		}
}