<!--
// Check for browser that supports frames


// return the version number times 1000 (to compensate for rounding errors).
function _get_version() {
   return Math.round(parseFloat(navigator.appVersion) * 1000);
}

// create the "browser" object to store browser information
var browser = new Object();

// check for a Netscape browser
if (navigator.appName.substring(0,8) == "Netscape") {
   browser.name = "NN";
      browser.version = _get_version();
}

// check for a Microsoft browser
else if (navigator.appName.substring(0,9) == "Microsoft") {
   browser.name = "MSIE";
   // Only MSIE for Windows 95 can read this code.
   // Navigator.appVersion returns 2.0 rather than 3.0, but we don't care,
   //we're checking for 4.0 now
   browser.version = _get_version();
}

// check for other browser that supports JavaScript, assuming that this
// browser stores the information in the same format as Navigator.
else {
   browser.name = navigator.appName;
   browser.version = _get_version();
}

// set variable for browser
if((browser.name == "NN" && browser.version >=3000) || (browser.name="MSIE" && browser.version >= 4000))
   version = "Rollovers";
else
   version = "other";
   
//Turn on or off graphic
function rollover(changeImage, changeImageTo){
	if(version == "Rollovers")  {
		window.document[changeImage].src = changeImageTo;
	}
}