// Instructions:
// replace image1, image2, image3 with the image names
// duplicate the image block if needed

// HTML code:
// <a href="filename1.html"><img src="filename1.gif" name="image1" onMouseOver="rollOn('image1')" onMouseOut="rollOff('image1')"></a>

bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >= 3) || (bName == "Microsoft Internet Explorer" && bVer >= 4)) version = "n3";
else version = "n2";

if (version == "n3") {
    home_on = new Image();
    home_off = new Image();
    home_on.src = "images/nav_home_on.gif";
    home_off.src = "images/nav_home_off.gif";
		
    physician_on = new Image();
    physician_off = new Image();
    physician_on.src = "images/nav_physician_on.gif";
    physician_off.src = "images/nav_physician_off.gif";

    practice_on = new Image();
    practice_off = new Image();
    practice_on.src = "images/nav_practice_on.gif";
    practice_off.src = "images/nav_practice_off.gif";

    learnmore_on = new Image();
    learnmore_off = new Image();
    learnmore_on.src = "images/nav_learnmore_on.gif";
    learnmore_off.src = "images/nav_learnmore_off.gif";


    directions_on = new Image();
    directions_off = new Image();
    directions_on.src = "images/nav_directions_on.gif";
    directions_off.src = "images/nav_directions_off.gif";
	
}

function rollOn (imgName) {
	if (version == "n3") {
        imgOn = eval(imgName + "_on.src");
        document[imgName].src = imgOn;
	}
}

function rollOff (imgName) {
	if (version == "n3") {
        imgOff = eval(imgName + "_off.src");
        document[imgName].src = imgOff;
	}
}