//---------------------------------------------------------------------
// menu ---------------------------------------------------------------
//---------------------------------------------------------------------

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

        if ((browserName == "Netscape" && browserVer >= 3)  ||
		(browserName == "Microsoft Internet Explorer" && browserVer >= 4)  )version = "n3";
        else version = "n2";
        if (version == "n3") {
        c1on = new Image(109, 25); c1on.src = "./gfx/but01b.gif";
        c2on = new Image(109, 25); c2on.src = "./gfx/but02b.gif";
	     c3on = new Image(109, 25); c3on.src = "./gfx/but03b.gif";
 
        c1off = new Image(109, 25); c1off.src = "./gfx/but01a.gif";
        c2off = new Image(109, 25); c2off.src = "./gfx/but02a.gif";
        c3off = new Image(109, 25); c3off.src = "./gfx/but03a.gif";
        }
function img_act(imgName) {
        if (version == "n3") {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}
function img_inact(imgName) {
        if (version == "n3") {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}
function displayWindow(url, width, height) {
		var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
}	   
  function open_window(url) {
  var Win = null;
  
  Win = window.open("", "", "toolbar=no, width=620, height=455, directories=no, status=no, scrollbars=no, resize=yes, menubar=no");
  Win.location.href = url;
}
function zoom(co) {
  var Win = null;
  
  Win = window.open("", "", "toolbar=no, width=620, height=455, directories=no, status=no, scrollbars=no, resize=yes, menubar=no");
  Win.location.href = "co";
}