if(document.images)
{
var tn=new Array(8);
tn[0]=(new Image()).src="images/link1on.gif";
tn[1]=(new Image()).src="images/link2on.gif";
tn[2]=(new Image()).src="images/link3on.gif";
tn[3]=(new Image()).src="images/link4on.gif";
tn[4]=(new Image()).src="images/link1.gif";
tn[5]=(new Image()).src="images/link2.gif";
tn[6]=(new Image()).src="images/link3.gif";
tn[7]=(new Image()).src="images/link4.gif";
}
function tnav(id, img){if(navigator.appName=="Microsoft Internet Explorer"){
document.getElementById(id).background=tn[img];}
else{document.getElementById(id).style.backgroundImage="url("+tn[img]+")";}}

function makePopUp(whereTo, winWidth, winHeight) 
{
  remote = window.open("","remotewin","width="+winWidth+",height="+winHeight+",menubar=0,toolbar=no,scrollbars=yes");
  remote.location.href = whereTo; 
  remote.focus();
}