function swap(id){
var divi=document.getElementById(id+"i");
var div=document.getElementById(id);
if(divi.className=='vis') {divi.className='invis';div.className='vis';}
else {divi.className='vis';div.className='invis';}
}
function myimgshow(Im,Nm,w,h,ind){
var sc="no";
if (w>screen.width) {w=screen.width-15;sc="yes";}
if (h>screen.height) {h=screen.height-55;sc="yes";}
msg=window.open("","DisplayWindow"+ind,"toolbar=no,directories=no,menubar=no,scrollbars="+sc+",status=no,resizable=yes,width="+w+",height="+h+"");
d=msg.document;
d.clear();
d.write(''+Nm+'');
d.write('');
d.write('