function elemOn(elem_id){
		if(document.getElementById(elem_id))
			document.getElementById(elem_id).style.display = "block";
	}
	function elemOff(elem_id){
		if(document.getElementById(elem_id))
			document.getElementById(elem_id).style.display = "none";
	}
	function hideAll(){
		for( var i = 1; i <= 1000; i++ )
			elemOff( 'hid'+i );
	}
	function showAll(){
		for( var i = 1; i <= 1000; i++ )
			elemOn( 'hid'+i );
	}
	function showOne(elem_id){
	if(document.getElementById(elem_id).style.display=='block'){
		toggleLayer( elem_id );
	}	
	else
	{
		hideAll( );
		elemOn( elem_id );
	}

	}
	
function toggleLayer( elem_id )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( elem_id );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[elem_id];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[elem_id];
  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';
}

//function to activate button on check
function setCheck(){
if (document.aspnetForm.ctl00_ContentPlaceHolder1_checkAcceptEULA.checked){
document.aspnetForm.ctl00_ContentPlaceHolder1_regbutton2.disabled = false
document.aspnetForm.ctl00_ContentPlaceHolder1_regbutton2.className='nodis';
}
else {
document.aspnetForm.ctl00_ContentPlaceHolder1_regbutton2.disabled = true
document.aspnetForm.ctl00_ContentPlaceHolder1_regbutton2.className='dis';
}
}