if (document.images) { 

	// left side navigation
	var description_on = new Image();
	description_on.src = "/productimages/nav/PrdProdDescOn_rlv.gif";
	var description_off = new Image();
	description_off.src = "/productimages/nav/PrdProdDescOff_rlv.gif";

	var features_on = new Image();
	features_on.src = "/productimages/nav/PrdFeaturesOn_rlv.gif";
	var features_off = new Image();
	features_off.src = "/productimages/nav/PrdFeaturesOff_rlv.gif";
	
	var pricing_on = new Image();
	pricing_on.src = "/productimages/nav/PrdPricingOn_rlv.gif";
	var pricing_off = new Image();
	pricing_off.src = "/productimages/nav/PrdPricingOff_rlv.gif";
	
	var whatsNew_on = new Image();
	whatsNew_on.src = "/productimages/nav/PrdWhatsNewOn_rlv.gif";
	var whatsNew_off = new Image();
	whatsNew_off.src = "/productimages/nav/PrdWhatsNewOff_rlv.gif";
	
	var promotions_on = new Image();
	promotions_on.src = "/productimages/nav/PrdPromosOn_rlv.gif";
	var promotions_off = new Image();
	promotions_off.src = "/productimages/nav/PrdPromosOff_rlv.gif";
	
	var prodLiterature_on = new Image();
	prodLiterature_on.src = "/productimages/nav/PrdProdLiteratOn_rlv.gif";
	var prodLiterature_off = new Image();
	prodLiterature_off.src = "/productimages/nav/PrdProdLiteratOff_rlv.gif";
	
	var faqs_on = new Image();
	faqs_on.src = "/productimages/nav/PrdFaqOn_rlv.gif";
	var faqs_off = new Image();
	faqs_off.src = "/productimages/nav/PrdFaqOff_rlv.gif";

	var training_on = new Image();
	training_on.src = "/productimages/nav/PrdPlwTrainingOn_ttl.gif";
	var training_off = new Image();
	training_off.src = "/productimages/nav/PrdPlwTrainingOff_ttl.gif";
	
	var content_on = new Image();
	content_on.src = "/productimages/nav/PrdContentOn_ttl.gif";
	var content_off = new Image();
	content_off.src = "/productimages/nav/PrdContentOff_ttl.gif";
	
	var subres_on = new Image();
	subres_on.src = "/productimages/nav/PrdSubResOn_ttl.gif";
	var subres_off = new Image();
	subres_off.src = "/productimages/nav/PrdSubResOff_ttl.gif";
	
	var support_on = new Image();
	support_on.src = "/productimages/nav/PrdSupportOn_rlv.gif";
	var support_off = new Image();
	support_off.src = "/productimages/nav/PrdSupportOff_rlv.gif";
	
	var prodfam_on = new Image();
	prodfam_on.src = "/productimages/nav/prdfam_on_rlv.gif";
	var prodfam_off = new Image();
	prodfam_off.src = "/productimages/nav/prdfam_off_rlv.gif";
	
	
	// right side navigation
	var buyProduct_on = new Image();
	buyProduct_on.src = "/productimages/icons/PrdBuyOn_btn_lrg.gif";
	var buyProduct_off = new Image();
	buyProduct_off.src = "/productimages/icons/PrdBuyOff_btn_lrg.gif";
	
	var contactRep_on = new Image();
	contactRep_on.src = "/productimages/icons/PrdContactOn_btn_lrg.gif";
	var contactRep_off = new Image();
	contactRep_off.src = "/productimages/icons/PrdContactOff_btn_lrg.gif";
	
	var takeTour_on = new Image();
	takeTour_on.src = "/productimages/icons/PrdTourOn_btn_lrg.gif";
	var takeTour_off = new Image();
	takeTour_off.src = "/productimages/icons/PrdTourOff_btn_lrg.gif";
	
	var seminar_on = new Image();
	seminar_on.src = "/productimages/icons/OnlSemOn_btn_lrg.gif";
	var seminar_off = new Image();
	seminar_off.src = "/productimages/icons/OnlSemOff_btn_lrg.gif";
	
	var register_on = new Image();
	register_on.src = "/productimages/icons/PrdRegisterOn_btn_lrg.gif";
	var register_off = new Image();
	register_off.src = "/productimages/icons/PrdRegisterOff_btn_lrg.gif";
	
	var signup_on = new Image();
	signup_on.src = "/productimages/icons/PrdSignupOn_btn.gif";
	var signup_off = new Image();
	signup_off.src = "/productimages/icons/PrdSignupOff_btn.gif";		

	var signup1_on = new Image();
	signup1_on.src = "/productimages/icons/PrdSignupOn_btn.gif";
	var signup1_off = new Image();
	signup1_off.src = "/productimages/icons/PrdSignupOff_btn.gif";	

	var signup2_on = new Image();
	signup2_on.src = "/productimages/icons/PrdSignupOn_btn2.gif";
	var signup2_off = new Image();
	signup2_off.src = "/productimages/icons/PrdSignupOff_btn2.gif";	

        var signon_on = new Image();
	signon_on.src = "/productimages/icons/signon_btn_on.gif";
	var signon_off = new Image();
	signon_off.src = "/productimages/icons/signon_btn_off.gif";

        var project_on = new Image();
	project_on.src = "/productimages/icons/PrdProjectOn_btn.gif";
	var project_off = new Image();
	project_off.src = "/productimages/icons/PrdProjectOff_btn.gif";
}

function off(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_off.src");
	} 
}

function on(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_on.src");
	}
}


function openDemo(pageToLoad, winName, width, height, center){
	xposition=0; yposition=0;
    if ((parseInt(navigator.appVersion) >= 4 ) && (center))
	{
        xposition = (screen.width - width) / 2;
        yposition = (screen.height - height) / 2;
	}
	if (navigator.appName == 'Netscape')
	{
		//width = width + 25;
		height = height + 25;
	}
	args = "width=" + width + ","     + "height=" + height + "," 
    + "location=0,"     + "menubar=0,"    + "resizable=0,"    + "scrollbars=0,"
    + "status=0,"     + "titlebar=0,"    + "toolbar=0,"    + "hotkeys=0,"
    + "screenx=" + xposition + ","  //NN Only
    + "screeny=" + yposition + ","  //NN Only
    + "left=" + xposition + ","     //IE Only
    + "top=" + yposition;           //IE Only
    window.open( pageToLoad,winName,args );
}