var isNav4, isIE4;
isNav4 =  false;
isIE4  = false;

if (parseInt(navigator.appVersion.charAt(0)) >= 4) {
  isNav4 = (navigator.appName == "Netscape") ? true : false;
  isIE4 = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;
}

///////////////////////////////////////////////////////////////////////
// The FPImage Object

// Variable declarations
var imageDirectory;
var imageTypeExt;
var imageNormalSuffix;
var imageHighlightSuffix;
var imagePressedSuffix;
var emailX = (screen.width/2)-100;
var emailY = (screen.height/2)-100;
var pos = "left="+emailX+",top="+emailY;

var fp_image_count;
var fp_images;	// List of all defined images

// Initialization
imageDirectory       = "images/";
imageTypeExt         = ".gif";
imageNormalSuffix    = "_off";
imageHighlightSuffix = "_on";
imagePressedSuffix   = "_down";

fp_images      = new Array();
fp_image_count = 0;

function fpImageCreate(theName, theImageName)
	{
	var	theFPImage;

	if (theImageName)
		theFPImage = new FPImage(theName, theImageName);
	else
		theFPImage = new FPImage(theName, theName);
	if (theFPImage)
		{
		fp_images[fp_image_count] = theFPImage;
		fp_image_count++;
		}

	return theFPImage;
	}


///////////////////////////////
// FPImage object definition

function FPImage(theName, theImageName)
	{
	this.name             = theName;
	this.imagename        = theName;
	if (theImageName != null)
		this.imagename  = theImageName;
	this.enablehighlight  = enablehighlight;
	this.mouseDownAction  = null;
	this.mouseUpAction    = null;
	this.mouseMoveAction  = null;
	this.mouseOverAction  = null;
	this.mouseOutAction   = null;
	this.normal_image     = new Image();
	this.normal_image.src = imageDirectory + this.imagename + imageNormalSuffix + imageTypeExt;		
	this.highlight_image  = null;

	this.enablehighlight(true);
	}

function enablehighlight(highlight)
	{
	if (highlight)
		{
		this.highlight_image     = new Image();
		this.highlight_image.src = imageDirectory + this.imagename + imageHighlightSuffix + imageTypeExt;
		this.mouseOverAction     = DoHighlight;
		this.mouseOutAction      = DoRestore;
		}
	else
		{
		this.highlight_image = null;
		this.mouseOverAction = null;
		this.mouseOutAction  = null;
		}
	}


function DoHighlight()
	{
	if (document.images && (this.highlight_image != null))
		{
		var image_object;
		var image_name_on, image_name_off;

		image_name_off = this.imagename + imageNormalSuffix;
		image_name_on  = this.imagename + imageHighlightSuffix;
		for (i = 0; i < document.images.length; ++i)
			{
			var src_string = new String(document.images[i].src);

			if ((-1 != src_string.search( image_name_off)) || (-1 != src_string.search(image_name_on)))
				{
				image_object = document.images[i];
//				window.alert("Found image at " + i + ", src=" + image_object.src);
				image_object.src = this.highlight_image.src;
				break;
				}
			}
		}
	}

function DoRestore()
	{
	if (document.images && (this.highlight_image != null))
		{
		var image_object;
		var image_name_on, image_name_off;

		image_name_off = this.imagename + imageNormalSuffix;
		image_name_on  = this.imagename + imageHighlightSuffix;
		for (i = 0; i < document.images.length; ++i)
			{
			var src_string = new String(document.images[i].src);

			if ((-1 != src_string.search( image_name_off)) || (-1 != src_string.search(image_name_on)))
				{
				image_object = document.images[i];
//				window.alert("Found image at " + i + ", src=" + image_object.src);
				image_object.src = this.normal_image.src;
				break;
				}
			}
		}
	}


function handleover(strImageName)
	{
	for (i = 0; i < fp_image_count; i++)
		{
		if (strImageName == fp_images[i].name)
			{
//			window.alert("Found image " + fp_images[i].name);
			fp_images[i].mouseOverAction();
			return;
			}
		}
	}

function handleout(strImageName)
	{
	for (i = 0; i < fp_image_count; i++)
		{
		if (strImageName == fp_images[i].name)
			{
//			window.alert("Found image " + fp_images[i].name);
			fp_images[i].mouseOutAction();
			return;
			}
		}
	}

function email(){
emailWindow = window.open("http://www.camtran.com/insidesalesemailpage.html","contact","width=200,height=200,"+pos);
}