<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->

browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName ==  "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if (browser){
  // on images
  button1_1 = new Image(102, 188);
  button1_1.src="images/tm_icon_on.gif";
  button2_1 = new Image(102, 188);
  button2_1.src="images/pt_icon_on.gif";
  button3_1 = new Image(102, 188);
  button3_1.src="images/dom_icon_on.gif";
  button4_1 = new Image(103, 188);
  button4_1.src="images/lgl_icon_on.gif";

  // off images
  button1_0 = new Image(102, 188);
  button1_0.src="images/tm_icon_off.gif";
  button2_0 = new Image(102, 188);
  button2_0.src="images/pt_icon_off.gif";
  button3_0 = new Image(102, 188);
  button3_0.src="images/dom_icon_off.gif";
  button4_0 = new Image(103, 188);
  button4_0.src="images/lgl_icon_off.gif";
  
}

// filename=something_0or1, where imgst=0or1 and imgName=something
function imgchg(imgst,imgName) {
     imgc = eval(imgName + "_" + imgst + ".src");
     document 	[imgName].src = imgc;
}