// 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;

// Function to Assign the relative path to images and links
if (whichLevel == 0) 
{
	
	nav1On = new Image();
	nav1On.src = "images/nav_1_on.gif";
	nav1Off = new Image();
	nav1Off.src = "images/nav_1.gif";
	
	nav2On = new Image();
	nav2On.src = "images/nav_2_on.gif";
	nav2Off = new Image();
	nav2Off.src = "images/nav_2.gif";
	
	nav3On = new Image();
	nav3On.src = "images/nav_3_on.gif";
	nav3Off = new Image();
	nav3Off.src = "images/nav_3.gif";
	
	nav4On = new Image();
	nav4On.src = "images/nav_4_on.gif";
	nav4Off = new Image();
	nav4Off.src = "images/nav_4.gif";
	
	nav5On = new Image();
	nav5On.src = "images/nav_5_on.gif";
	nav5Off = new Image();
	nav5Off.src = "images/nav_5.gif";
	
	nav6On = new Image();
	nav6On.src = "images/nav_6_on.gif";
	nav6Off = new Image();
	nav6Off.src = "images/nav_6.gif";
	
	nav7On = new Image();
	nav7On.src = "images/nav_7_on.gif";
	nav7Off = new Image();
	nav7Off.src = "images/nav_7.gif";
}

else if (whichLevel == 1) 
{
	
	nav1On = new Image();
	nav1On.src = "../images/nav_1_on.gif";
	nav1Off = new Image();
	nav1Off.src = "../images/nav_1.gif";
	
	nav2On = new Image();
	nav2On.src = "../images/nav_2_on.gif";
	nav2Off = new Image();
	nav2Off.src = "../images/nav_2.gif";
	
	nav3On = new Image();
	nav3On.src = "../images/nav_3_on.gif";
	nav3Off = new Image();
	nav3Off.src = "../images/nav_3.gif";
	
	nav4On = new Image();
	nav4On.src = "../images/nav_4_on.gif";
	nav4Off = new Image();
	nav4Off.src = "../images/nav_4.gif";
	
	nav5On = new Image();
	nav5On.src = "../images/nav_5_on.gif";
	nav5Off = new Image();
	nav5Off.src = "../images/nav_5.gif";
	
	nav6On = new Image();
	nav6On.src = "../images/nav_6_on.gif";
	nav6Off = new Image();
	nav6Off.src = "../images/nav_6.gif";
	
	nav7On = new Image();
	nav7On.src = "../images/nav_7_on.gif";
	nav7Off = new Image();
	nav7Off.src = "../images/nav_7.gif";
}

else if (whichLevel == 1) 
{

	nav1On = new Image();
	nav1On.src = "../../images/nav_1_on.gif";
	nav1Off = new Image();
	nav1Off.src = "../../images/nav_1.gif";
	
	nav2On = new Image();
	nav2On.src = "../../images/nav_2_on.gif";
	nav2Off = new Image();
	nav2Off.src = "../../images/nav_2.gif";
	
	nav3On = new Image();
	nav3On.src = "../../images/nav_3_on.gif";
	nav3Off = new Image();
	nav3Off.src = "../../images/nav_3.gif";
	
	nav4On = new Image();
	nav4On.src = "../../images/nav_4_on.gif";
	nav4Off = new Image();
	nav4Off.src = "../../images/nav_4.gif";
	
	nav5On = new Image();
	nav5On.src = "../../images/nav_5_on.gif";
	nav5Off = new Image();
	nav5Off.src = "../../images/nav_5.gif";
	
	nav6On = new Image();
	nav6On.src = "../../images/nav_6_on.gif";
	nav6Off = new Image();
	nav6Off.src = "../../images/nav_6.gif";
	
	nav7On = new Image();
	nav7On.src = "../../images/nav_7_on.gif";
	nav7Off = new Image();
	nav7Off.src = "../../images/nav_7.gif";
}

else 
{

	nav1On = new Image();
	nav1On.src = "../../../images/nav_1_on.gif";
	nav1Off = new Image();
	nav1Off.src = "../../../images/nav_1.gif";
	
	nav2On = new Image();
	nav2On.src = "../../../images/nav_2_on.gif";
	nav2Off = new Image();
	nav2Off.src = "../../../images/nav_2.gif";
	
	nav3On = new Image();
	nav3On.src = "../../../images/nav_3_on.gif";
	nav3Off = new Image();
	nav3Off.src = "../../../images/nav_3.gif";
	
	nav4On = new Image();
	nav4On.src = "../../../images/nav_4_on.gif";
	nav4Off = new Image();
	nav4Off.src = "../../../images/nav_4.gif";
	
	nav5On = new Image();
	nav5On.src = "../../../images/nav_5_on.gif";
	nav5Off = new Image();
	nav5Off.src = "../../../images/nav_5.gif";
	
	nav6On = new Image();
	nav6On.src = "../../../images/nav_6_on.gif";
	nav6Off = new Image();
	nav6Off.src = "../../../images/nav_6.gif";
	
	nav7On = new Image();
	nav7On.src = "../../../images/nav_7_on.gif";
	nav7Off = new Image();
	nav7Off.src = "../../../images/nav_7.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');
		}
	}	
}