function hidepass(){
   document.login.ptext.style.display='none'; 
   document.login.password.style.display='';
   document.login.password.focus();
 }
 
function showpass(){
   document.login.password.style.display='none'; 
   document.login.ptext.style.display='';
   document.login.ptext.focus();
}
 
function setEnd (el) {
 if (el.createTextRange) {
   var FieldRange = el.createTextRange();
   FieldRange.moveStart('character', el.value.length);
   FieldRange.collapse();
   FieldRange.select();
 }
}

 function toggleLayer( whichLayer ) {  
   var elem, vis;
   if( document.getElementById ) 
    elem = document.getElementById( whichLayer );
   else if( document.all )
    elem = document.all[whichLayer];
   else if( document.layers )
    elem = document.layers[whichLayer];
   vis = elem.style;
   if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined) 
     vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
   vis.display = (vis.display==''||vis.display=='block')?'none':'block';  
}