homeon = new Image(); homeon.src = 'images/home_over.gif';
homeoff = new Image(); homeoff.src = 'images/home_normal.gif';
currenton = new Image(); currenton.src = 'images/current_over.gif';
currentoff = new Image(); currentoff.src = 'images/current_normal.gif';
portfolioon = new Image(); portfolioon.src = 'images/portfolio_over.gif';
portfoliooff = new Image(); portfoliooff.src = 'images/portfolio_normal.gif';
aboutuson = new Image(); aboutuson.src = 'images/aboutus_over.gif';
aboutusoff = new Image(); aboutusoff.src = 'images/aboutus_normal.gif';
contactuson = new Image(); contactuson.src = 'images/contactus_over.gif';
contactusoff = new Image(); contactusoff.src = 'images/contactus_normal.gif';

contactuscontenton = new Image(); contactuscontenton.src = 'images/contactus_over-con.gif';
contactuscontentoff = new Image(); contactuscontentoff.src = 'images/contactus_normal-con.gif';