iOn             = new Image();
iOn.src         = "../images/newsletterbtn2.gif";
iOff            = new Image();
iOff.src        = "../images/newsletterbtn.gif";
aOn             = new Image();
aOn.src         = "../images/linksbtn1.gif";
aOff            = new Image();
aOff.src        = "../images/linksbtn.gif";
cOn             = new Image();
cOn.src         = "../images/prbtn1.gif";
cOff            = new Image();
cOff.src        = "../images/prbtn.gif";
dOn             = new Image();
dOn.src         = "../images/donatebtn1.gif";
dOff            = new Image();
dOff.src        = "../images/donatebtn.gif";
eOn             = new Image();
eOn.src         = "../images/docsbtn1.gif";
eOff            = new Image();
eOff.src        = "../images/docsbtn.gif";
fOn             = new Image();
fOn.src         = "../images/actaccbtn1.gif";
fOff            = new Image();
fOff.src        = "../images/actaccbtn.gif";



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

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