if (document.images) {  
  Missionon = new Image(); Missionon.src = "images/Mission_on.jpg"; Missionoff = new Image(); Missionoff.src = "images/Mission.jpg";
  Curron = new Image(); Curron.src = "images/Curr_on.jpg"; Curroff = new Image(); Curroff.src = "images/Curr.jpg";
  Consoron = new Image(); Consoron.src = "images/Consor_on.jpg"; Consoroff = new Image(); Consoroff.src = "images/Consor.jpg";
  Supporton = new Image(); Supporton.src = "images/Supporters_on.jpg"; Supportoff = new Image(); Supportoff.src = "images/Supporters.jpg";
}
function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}	
function NewWindow(mypage, myname, w, h, scroll) {
var winleft = (screen.width - w) / 2.7;
winprops = 'height='+h+',width='+w+',top='+0.0+',left='+winleft+',scrollbars='+scroll+',resizable,toolbar=yes,location=yes,directories=no,status=yes,menubar=yes'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
function clearField(object) {
object.value ="";
}