var user;
var domain;
var tld;

function crmNoSpam(user,domain,tld){

location.href="mailto:"+user+"@"+domain+"."+tld;

}

function weergeef (nummer)
  {
    var laatzien= document.getElementById("extra"+nummer).style.visibility;
    if (laatzien== 'visible')
    {
      document.getElementById("extra"+nummer).style.visibility = 'hidden';
      document.getElementById("extra"+nummer).style.display = 'none';
    }
    else
    {
      document.getElementById("extra"+nummer).style.visibility = 'visible';
      document.getElementById("extra"+nummer).style.display = 'block';
    }
  }
  
function sluit (nummer)
  {
    var laatzien= document.getElementById("extra"+nummer).style.visibility;
    if (laatzien== 'hidden')
    {
      document.getElementById("extra"+nummer).style.visibility = 'visible';
      document.getElementById("extra"+nummer).style.display = 'block';
    }
    else
    {
      document.getElementById("extra"+nummer).style.visibility = 'hidden';
      document.getElementById("extra"+nummer).style.display = 'none';
    }
  }

function opendiv(id) { 
 for (i=1;i<=20;i++) { // so you can add more than 2 
 var divname = 'div'+i; 
 var divStyle = document.getElementById(divname).style; 
 divStyle.display=(id==divname)?'block':'none'; 
 } 
}