function calendar(div) {
if (document.getElementById('01')) {
var option=['01','02','03','04','05','06','07','08','09','10','11','12'];
for(var i=0; i<option.length; i++) 
{	obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
return false;
}
}

function year(div) {
if (document.getElementById('01')) {
var option=['01','02','03','04','05','06','07','08','09','10','11','12'];
for(var i=0; i<option.length; i++) 
{	obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
return false;
}
}

function switch1(div) {
if (document.getElementById('one')) {
var option=['one','two','three','four','five','six','seven','eight'];
for(var i=0; i<option.length; i++) 
{	obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
return false;
}
}


function switch2(div) {
if (document.getElementById(div)) {
var option=[div];
for(var i=0; i<option.length; i++) 
{	obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
return false;
}
}

function switch3(div) {
if (document.getElementById('2007')) {
var option=['2007','2008','2009','2010'];
for(var i=0; i<option.length; i++) 
{	obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none"; }
return false;
}
}


function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  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';
 return false;
}




function pop(url,name,w,h,scroll) {
	popup=window.open(url,name,'width='+w+',height='+h+',toolbar=no,location=no,status=no,scrollbars='+scroll+',resizable=no')
}