var offImgArray = new Array();
var onImgArray = new Array();
var indexArray = new Array(5);


	indexArray[0] = "contactus"; 
	indexArray[1] = "branding"; 
	indexArray[2] = "samples"; 		
	indexArray[3] = "forClients"; 		
	indexArray[4] = "theStory";


	offImgArray[0] = new Image( 641, 17);
	offImgArray[1] = new Image( 641, 17);
	offImgArray[2] = new Image( 641, 17);
	offImgArray[3] = new Image( 641, 17);
	offImgArray[4] = new Image( 641, 20);

	offImgArray[0].src = "images/home/menu/contactus_off.gif";
	offImgArray[1].src = "images/home/menu/branding_off.gif";
	offImgArray[2].src = "images/home/menu/samples_off.gif";
	offImgArray[3].src = "images/home/menu/forClients_off.gif";
	offImgArray[4].src = "images/home/menu/theStory_off.gif";
	
	onImgArray[0] = new Image( 643, 17);
	onImgArray[1] = new Image( 643, 17);
	onImgArray[2] = new Image( 643, 17);
	onImgArray[3] = new Image( 643, 17);
	onImgArray[4] = new Image( 643, 20);
	
	onImgArray[0].src = "images/home/menu/contactus_on.gif";
	onImgArray[1].src = "images/home/menu/branding_on.gif";
	onImgArray[2].src = "images/home/menu/samples_on.gif";
	onImgArray[3].src = "images/home/menu/forClients_on.gif";
	onImgArray[4].src = "images/home/menu/theStory_on.gif";

function index( str )
	{
	for( var i = 0; i < indexArray.length; i++ )
		{
		if( indexArray[i] == str  )
			return i;
		}
	return 0;
	}

function imageOn( iName )
	{
	document[ iName ].src = onImgArray[ index(iName) ].src; 
	}

function imageOff( iName )
	{
	document.images[ iName ].src = offImgArray[ index(iName) ].src; 
	}