// JavaScript Document

function afficher_masquer() 
{
  var var_format 		= document.getElementById("format").value;
  var var_champ 		= document.getElementById("champ");
  var var_adresse 		= document.getElementById("adresse");
  var var_ville			= document.getElementById("ville");
  var var_code_postal 	= document.getElementById("code_postal");
  
    if (document.getElementById("format").value == 1)
	{
    	var_champ.style.display = "block";
		if(document.getElementById("code_postal").value == '-')
			document.getElementById("code_postal").value = '';
		if(document.getElementById("adresse").value == '-')
			document.getElementById("adresse").value = '';
		if(document.getElementById("ville").value == '-')
			document.getElementById("ville").value = '';
	}
	else
	{
		document.getElementById("code_postal").value = '-';
		document.getElementById("adresse").value = '-';
		document.getElementById("ville").value = '-';
		var_champ.style.display = "none";
	}
};