/*
function showhide(name) {
	var e = document.getElementById(name);
	e.style.display = (e.style.display == 'block') ? 'none' : 'block';
}
*/


function showhide(name) {
 var display = document.getElementById(name).style.display;
 if (display == 'block') {
  document.getElementById(name).style.display='none';
 }else{
  document.getElementById(name).style.display='block';
 }

if (name == 'sub1'){
  document.getElementById('sub2').style.display='none';
  document.getElementById('sub3').style.display='none';
  document.getElementById('sub4').style.display='none';
}

if (name == 'sub2'){
  document.getElementById('sub1').style.display='none';
  document.getElementById('sub3').style.display='none';
  document.getElementById('sub4').style.display='none';
}

if (name == 'sub3'){
  document.getElementById('sub1').style.display='none';
  document.getElementById('sub2').style.display='none';
  document.getElementById('sub4').style.display='none';
}

if (name == 'sub4'){
  document.getElementById('sub1').style.display='none';
  document.getElementById('sub2').style.display='none';
  document.getElementById('sub3').style.display='none';
}


}

/*
var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.availWidth)?Math.floor(Math.random()*(screen.availWidth-w)):1;TopPosition=(screen.availHeight)?Math.floor(Math.random()*((screen.availHeight-h)-75)):1;}
if(pos=="center"){LeftPosition=(screen.availWidth)?(screen.availWidth-w)/2:1;TopPosition=(screen.availHeight)?(screen.availHeight-h)/2:1;}
if(pos=="default"){LeftPosition=1;TopPosition=1}
else if((pos!="center" && pos!="random" && pos!="default") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);
if(win.focus){win.focus();}}
function CloseNewWin(){if(win!=null && win.open)win.close()}
window.onfocus=CloseNewWin;
*/