function reload_captcha()
{
  if(document.getElementById){
    imgsrc = document.getElementById("captcha").src;
    imgsrc = imgsrc.substring(0,imgsrc.lastIndexOf(".")+4);
    document.getElementById("captcha").src = imgsrc+"?"+Math.round(Math.random()*100000);
  }
}

function display_block(searchby){

searchby=searchby.toLowerCase();

document.getElementById(searchby).style.display = "block";

}

function display_searchoptions(form)
{ 
  searchby=form.searchby.options[form.searchby.selectedIndex].value;
  if(searchby=="country"){
        document.getElementById('country').style.display = "block";
        document.getElementById('astrology_sign').style.display = "none";
        document.getElementById('age_group').style.display = "none";
        document.getElementById('bday').style.display = "none";
        document.getElementById('gender').style.display = "none";
  }
  else if(searchby=="astrology_sign"){
        document.getElementById('astrology_sign').style.display = "block";
        document.getElementById('country').style.display = "none";
        document.getElementById('age_group').style.display = "none";
        document.getElementById('bday').style.display = "none";
        document.getElementById('gender').style.display = "none";
  }
  else if(searchby=="age_group"){
        document.getElementById('age_group').style.display = "block";
        document.getElementById('astrology_sign').style.display = "none";
        document.getElementById('country').style.display = "none";
        document.getElementById('bday').style.display = "none";
        document.getElementById('gender').style.display = "none";
  }     
  else if(searchby=="bday"){
        document.getElementById('bday').style.display = "block";
        document.getElementById('country').style.display = "none";
        document.getElementById('astrology_sign').style.display = "none";
        document.getElementById('age_group').style.display = "none";
        document.getElementById('gender').style.display = "none";
  }     
  else if(searchby=="gender"){
        document.getElementById('gender').style.display = "block";
        document.getElementById('bday').style.display = "none";
        document.getElementById('country').style.display = "none";
        document.getElementById('astrology_sign').style.display = "none";
        document.getElementById('age_group').style.display = "none";
  }
  else{ 
        document.getElementById('country').style.display = "none";
        document.getElementById('astrology_sign').style.display = "none";
        document.getElementById('age_group').style.display = "none";
        document.getElementById('bday').style.display = "none";
        document.getElementById('gender').style.display = "none";
  }     
}