if (document.images) {
var welcomeoff = new Image(110, 30);
welcomeoff.src = "media/welcome_off.gif";
var welcomeon = new Image(110, 30);
welcomeon.src = "media/welcome_on.gif";

var portfoliooff = new Image(110, 30);
portfoliooff.src = "media/portfolio_off.gif";
var portfolioon = new Image(110, 30);
portfolioon.src = "media/portfolio_on.gif";

var aboutusoff = new Image(110, 30);
aboutusoff.src = "media/aboutus_off.gif";
var aboutuson = new Image(110, 30);
aboutuson.src = "media/aboutus_on.gif";

var seoresultsoff = new Image(110, 30);
seoresultsoff.src = "media/seoresults_off.gif";
var seoresultson = new Image(110, 30);
seoresultson.src = "media/seoresults_on.gif";

var ratesoff = new Image(110, 30);
ratesoff.src = "media/rates_off.gif";
var rateson = new Image(110, 30);
rateson.src = "media/rates_on.gif";

var commentsoff = new Image(110, 30);
commentsoff.src = "media/comments_off.gif";
var commentson = new Image(110, 30);
commentson.src = "media/comments_on.gif";

var faqsoff = new Image(110, 30);
faqsoff.src = "media/faqs_off.gif";
var faqson = new Image(110, 30);
faqson.src = "media/faqs_on.gif";}

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

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