function r_on(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + "_over.gif"; 
    }
  }
}

function r_off(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + ".gif"; 
    }
  }
}

function g_on(i) {
  if (document.images) { 
    document[i].src = "../images/btn_close_over.gif"; 
  }
}

function g_off(i) {
  if (document.images) { 
    document[i].src = "../images/btn_close.gif"; 
  }
}

function writeDate() {
  var today = new Date();
  var year = today.getFullYear();
  document.write(year);
}

function leaveSite(site) {
  if (confirm('You are now leaving this web site.\nIf you do not wish to leave this site, click Cancel. Click OK to leave.') == 1) {
    window.open(site, 'Untitled','toolbar=yes,width=750,height=500,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=yes')
  }
}

function popUp(page) {
  popup_window = window.open(page,'popup','location,menubar,resizable,scrollbars,status,toolbar,width=500,height=300');
}

function galleryClose(x) {
 document.getElementById(x).style.display = "none";
}

function galleryOpen(x) {
 document.getElementById("arrangement1").style.display = "none";
 document.getElementById("arrangement2").style.display = "none";
 document.getElementById("arrangement3").style.display = "none";
 document.getElementById("arrangement4").style.display = "none";
 document.getElementById("arrangement5").style.display = "none";
 document.getElementById("arrangement6").style.display = "none";
 document.getElementById("arrangement7").style.display = "none";
 document.getElementById("arrangement8").style.display = "none";
 document.getElementById("arrangement9").style.display = "none";
 document.getElementById("arrangement10").style.display = "none";
 document.getElementById("arrangement11").style.display = "none";
 document.getElementById("arrangement12").style.display = "none";
 document.getElementById("arrangement13").style.display = "none";
 document.getElementById(x).style.display = "block";
 document.getElementById(x).style.background = "url('../images/bg_gallery.png')";
}