if (document.images) {

email_off = new Image();
email_off.src = "images/email_up.gif"
email_on = new Image();
email_on.src = "images/email_down.gif"
}

function buttonOff(imgName) {
   document[imgName].src = eval(imgName + "_off.src");
}

function buttonOn(imgName) {
   document[imgName].src = eval(imgName + "_on.src");
}


function popUp(url,name,width,height) {
   var properties = "toolbar = 0, location = 0, height = " + height;
   properties = properties + ", width=" + width;
   popupHandle = open(url,name,properties);
}

if (top.location != self.location) {
top.location = self.location.href
}