if (document.images) {

// preload inactive images
email= new Image();
email.src="email.png";



// preload active images
emailon= new Image();
emailon.src="email2.png";

}

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 + ".src");
document [imgName].src = imgOff;
}
}
function popitup(url) {
	newwindow=window.open(url,'name','height=475,width=500');
	if (window.focus) {newwindow.focus()}
	return false;
}