// Browser & Platform Variables
var platform = navigator.platform.substr(0,3);
var browser = navigator.appName;
var shortVersion = navigator.appVersion.substr(0,1);
var longVersion = navigator.appVersion;


nav0On = new Image();
nav0On.src = "images/nav_0_over.gif";
nav0Off = new Image();
nav0Off.src = "images/nav_0.gif";

nav1On = new Image();
nav1On.src = "images/nav_1_over.gif";
nav1Off = new Image();
nav1Off.src = "images/nav_1.gif";

secnav1On = new Image();
secnav1On.src = "images/nav_1_on.gif";
secnav1Off = new Image();
secnav1Off.src = "images/sec_nav_1.gif";

nav2On = new Image();
nav2On.src = "images/nav_2_over.gif";
nav2Off = new Image();
nav2Off.src = "images/nav_2.gif";

nav3On = new Image();
nav3On.src = "images/nav_3_over.gif";
nav3Off = new Image();
nav3Off.src = "images/nav_3.gif";

nav4On = new Image();
nav4On.src = "images/nav_4_over.gif";
nav4Off = new Image();
nav4Off.src = "images/nav_4.gif";

nav5On = new Image();
nav5On.src = "images/nav_5_over.gif";
nav5Off = new Image();
nav5Off.src = "images/nav_5.gif";

nav6On = new Image();
nav6On.src = "images/nav_6_over.gif";
nav6Off = new Image();
nav6Off.src = "images/nav_6.gif";


// Image replace On Function	
function on(pic) {
	if (document.images) { 
		if ((browser == 'Netscape') && (shortVersion < 5)) 
		{
			document.images[pic].src = eval(pic + 'On.src');
		}
		else
		{
			eval('document.images[pic].src = ' + pic + 'On.src');
		}
	}
}
        

// Image replace Off Function	
function off(pic) {     
	if(document.images) {
		if ((browser == 'Netscape') && (shortVersion < 5)) 
		{
			document.images[pic].src = eval(pic + 'Off.src');
		}
		else
		{
			eval('document.images[pic].src = ' + pic + 'Off.src');
		}
	}	
}