//use for LEVEL 2 files
<!--//
if (document.images != null)
{       
		var currentImg = "nothing";
        preLoad();
}
function preLoad()
{		logo_up = new Image();
        logo_dn = new Image();
        logo_up.src = "../graphics/navbar/btn1on.gif";
        logo_dn.src = "../graphics/navbar/btn1off.gif";

		apps_up = new Image();
        apps_dn = new Image();
        apps_up.src = "../graphics/navbar/btn2on.gif";
        apps_dn.src = "../graphics/navbar/btn2off.gif";

        param_up = new Image();
        param_dn = new Image();
        param_up.src = "../graphics/navbar/btn3on.gif";
        param_dn.src = "../graphics/navbar/btn3off.gif";
        
        prodsel_up = new Image();
        prodsel_dn = new Image();
        prodsel_up.src = "../graphics/navbar/btn4on.gif";
        prodsel_dn.src = "../graphics/navbar/btn4off.gif";
                
        news_up = new Image();
        news_dn = new Image();
        news_up.src = "../graphics/navbar/btn5on.gif";
        news_dn.src = "../graphics/navbar/btn5off.gif";

        why_up = new Image();
        why_dn = new Image();
        why_up.src = "../graphics/navbar/btn6on.gif";
        why_dn.src = "../graphics/navbar/btn6off.gif";
        
        tech_up = new Image();
        tech_dn = new Image();
        tech_up.src = "../graphics/navbar/btn7on.gif";
        tech_dn.src = "../graphics/navbar/btn7off.gif";

        open_up = new Image();
        open_dn = new Image();
        open_up.src = "../graphics/navbar/btn8on.gif";
        open_dn.src = "../graphics/navbar/btn8off.gif";

        contact_up = new Image();
        contact_dn = new Image();
        contact_up.src = "../graphics/navbar/btn9on.gif";
        contact_dn.src = "../graphics/navbar/btn9off.gif";
        
        reso_up = new Image();
        reso_dn = new Image();
        reso_up.src = "../graphics/navbar/btn10on.gif";
        reso_dn.src = "../graphics/navbar/btn10off.gif";

        sol_up = new Image();
        sol_dn = new Image();
        sol_up.src = "../graphics/navbar/btn11on.gif";
        sol_dn.src = "../graphics/navbar/btn11off.gif";

        lit_up = new Image();
        lit_dn = new Image();
        lit_up.src = "../graphics/navbar/btn12on.gif";
        lit_dn.src = "../graphics/navbar/btn12off.gif";
        
		sub_up = new Image();
        sub_dn = new Image();
        sub_up.src = "../graphics/navbar/btn15off.gif";
        sub_dn.src = "../graphics/navbar/btn15on.gif";
	
		
		
        site_up = new Image();
        site_dn = new Image();
        site_up.src = "../graphics/navbar/btn13on.gif";
        site_dn.src = "../graphics/navbar/btn13off.gif";

        search_up = new Image();
        search_dn = new Image();
        search_up.src = "../graphics/navbar/btn14on.gif";
        search_dn.src = "../graphics/navbar/btn14off.gif";
        }

function rollover(img,dn)
{
	var swapImg = "nothing";
	
        if (document.images != null)
        {
                if(img != currentImg)
                {
                        if(dn == "over")
                                swapImg = eval(img + "_dn.src");
                        if(dn == "out")
                                swapImg = eval(img + "_up.src");
                        document [img].src = swapImg;
                }
        }
}
//-->