if (document) 
{image1on = new Image(); image1on.src = "../images/nav_searchpositionsON.gif";
image1off = new Image(); image1off.src = "../images/nav_searchpositions.gif";
image2on = new Image(); image2on.src = "../images/nav_resumeON.gif";
image2off = new Image(); image2off.src = "../images/nav_resume.gif";
image3on = new Image(); image3on.src = "../images/nav_employersON.gif";
image3off = new Image(); image3off.src = "../images/nav_employers.gif";
}

function turnOn(imageName) 
{if (document) {document[imageName].src = eval(imageName + "on.src");}}
function turnOff(imageName) 
{if (document) {document[imageName].src = eval(imageName + "off.src");}}