aboutuson = new Image();					aboutuson.src = "images/nav/about-us-on.jpg";
ourproductson = new Image();			ourproductson.src = "images/nav/our-products-on.jpg";
clientscasestudieson = new Image();	clientscasestudieson.src = "images/nav/clients-casestudies-on.jpg";
newsinsighton = new Image();			newsinsighton.src = "images/nav/news-insight-on.jpg";
presson = new Image();						presson.src = "images/nav/press-on.jpg";
contacton = new Image();					contacton.src = "images/nav/contact-on.jpg";

aboutusoff = new Image();					aboutusoff.src = "images/nav/about-us-off.jpg";
ourproductsoff = new Image();			ourproductsoff.src = "images/nav/our-products-off.jpg";
clientscasestudiesoff = new Image();	clientscasestudiesoff.src = "images/nav/clients-casestudies-off.jpg";
newsinsightoff = new Image();			newsinsightoff.src = "images/nav/news-insight-off.jpg";
pressoff = new Image();						pressoff.src = "images/nav/press-off.jpg";
contactoff = new Image();					contactoff.src = "images/nav/contact-off.jpg";