function maillink (id,domain) {
var linktext = id + "@" + domain; 
return "<a href=" + "mail" + "to:" + id + "@" + domain + ">" + linktext + "</a>";
}

function navselector(thisitem) { 
  imgid="aid"+thisitem;
  this.img = document.getElementById(imgid);
}

function selectnav(selector,itemno) {
  if (itemno == 1)
    selector.img.src="./Images/Navbar%20Buttons/MemHomButDn.gif";
  else if (itemno == 2)
    selector.img.src="./Images/Navbar%20Buttons/FedConButDn.gif"; 
  else if (itemno == 3)
    selector.img.src="./Images/Navbar%20Buttons/NatMapButDn.gif"; 
  else if (itemno == 4)
    selector.img.src="./Images/Navbar%20Buttons/EveCalButDn.gif"; 
  else if (itemno == 5)
    selector.img.src="./Images/Navbar%20Buttons/EveRegButDn.gif"; 
  else if (itemno == 6)
    selector.img.src="./Images/Navbar%20Buttons/MemDwnButDn.gif"; 
  else if (itemno == 7)
    selector.img.src="./Images/Navbar%20Buttons/SmkSigButDn.gif";
  else if (itemno == 8)
    selector.img.src="./Images/Navbar%20Buttons/RelLnkButDn.gif";  

}
function ehandler(event,theobj){
  theobj.theanchor.style.backgroundImage="url(Images/Navbar%20Buttons/MemHomButDn.gif)";
}