
<!--
// browser detection
version = 1
browserName = navigator.appName;           
browserVer = parseInt(navigator.appVersion); 
if (browserName == "Netscape" && browserVer >= 3) version = "3";
if (browserName == "Microsoft Internet Explorer" && browserVer >=3) version = "3";
            // Inactive Buttons
			btn1off = new Image(); btn1off.src = "grfx/btnhome-off.gif";     
			btn2off = new Image(); btn2off.src = "grfx/btnlisting-off.gif";     
			btn3off = new Image(); btn3off.src = "grfx/btncalc-off.gif";     
			btn4off = new Image(); btn4off.src = "grfx/btnabout-off.gif";     
			btn5off = new Image(); btn5off.src = "grfx/btncontact-off.gif";     
			btn6off = new Image(); btn6off.src = "grfx/btninfo-off.gif";     
            // Active Buttons
			btn1on = new Image(); btn1on.src = "grfx/btnhome-on.gif";     
			btn2on = new Image(); btn2on.src = "grfx/btnlisting-on.gif";     
			btn3on = new Image(); btn3on.src = "grfx/btncalc-on.gif";     
			btn4on = new Image(); btn4on.src = "grfx/btnabout-on.gif";     
			btn5on = new Image(); btn5on.src = "grfx/btncontact-on.gif";     
			btn6on = new Image(); btn6on.src = "grfx/btninfo-on.gif";     
if (version == "3")
{
// Function to 'activate' images.
function imgOn(imgName) {
            document[imgName].src = eval(imgName + "on.src");
            }

// Function to 'deactivate' images.
function imgOff(imgName) {
            document[imgName].src = eval(imgName + "off.src");
        	}
}
// -->