var imageSourceList = new Array();

imageSourceList[0] = "images/NavHomeOn.gif";
imageSourceList[1] = "images/NavHomeOff.gif";
imageSourceList[2] = "images/NavServicesOn.gif";
imageSourceList[3] = "images/NavServicesOff.gif";
imageSourceList[4] = "images/NavOurJetsOn.gif";
imageSourceList[5] = "images/NavOurJetsOff.gif";
imageSourceList[6] = "images/NavOurVehiclesOn.gif";
imageSourceList[7] = "images/NavOurVehiclesOff.gif";
imageSourceList[8] = "images/NavContactUsOn.gif";
imageSourceList[9] = "images/NavContactUsOff.gif";

// PRELOAD IMAGES
var imageCount = imageSourceList.length;
var imageList = new Array();

for ( var imageIndex = 0; imageIndex < imageCount; imageIndex++ )
{
	imageList[ imageIndex ] = new Image();
	imageList[ imageIndex ].src = imageSourceList[ imageIndex ];
}


function itemOn( itemName )
{
	// IF BROWSER SUPPORTS THE IMAGES OBJECT
	if ( document.images )
	{
		document[ itemName ].src = "images/" + itemName + "On.gif";
	}
}


function itemOff( itemName )
{
	// IF BROWSER SUPPORTS THE IMAGES OBJECT
	if ( document.images )
	{
		document[ itemName ].src = "images/" + itemName + "Off.gif";
	}
}