if (document.images) {
	training1=new Image(); training1.src="images/training-button-off.gif";
	training2=new Image(); training2.src="images/training-button-on.gif";
	fleet1=new Image(); fleet1.src="images/fleet-button-off.gif";
	fleet2=new Image(); fleet2.src="images/fleet-button-on.gif";
	rates1=new Image(); rates1.src="images/rates-button-off.gif";
	rates2=new Image(); rates2.src="images/rates-button-on.gif";
	supplies1=new Image(); supplies1.src="images/supplies-button-off.gif";
	supplies2=new Image(); supplies2.src="images/supplies-button-on.gif";
	}

function show_image(imgname,loc)
      { 
        if (document.images){
           document[imgname].src = eval(loc + ".src");
        }
      }


var win= null;

function NewWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}


function show(ele) {
 var srcElement = document.getElementById(ele);
 if(srcElement != null) {
 if(srcElement.style.display == "block") {
 srcElement.style.display="none";
 }
 else {
 srcElement.style.display="block";
 }
 return false;
 }
}