function central()
{
var wid = document.body.clientWidth;
	var left_pos = parseInt(wid - 504)/2;
	var left_pos2 = parseInt(wid - 718)/2;
 
	document.getElementById('middle1').style.left= (left_pos + "px");
	document.getElementById('middle2').style.left= (left_pos + "px");
	document.getElementById('middle3').style.left= (left_pos + "px");
	document.getElementById('middle4').style.left= (left_pos + "px");
	document.getElementById('middle5').style.left= (left_pos + "px");
	document.getElementById('middle6').style.left= (left_pos + "px");
	document.getElementById('middle7').style.left= (left_pos + "px"); 
	document.getElementById('middle8').style.left= (left_pos + "px");
	document.getElementById('middle9').style.left= (left_pos + "px");
	document.getElementById('middle10').style.left= (left_pos + "px");
	document.getElementById('middle11').style.left= (left_pos + "px");
	document.getElementById('middle12').style.left= (left_pos + "px");
	document.getElementById('middle13').style.left= (left_pos + "px");
	document.getElementById('middle14').style.left= (left_pos + "px");
	document.getElementById('middle15').style.left= (left_pos + "px");
	document.getElementById('middle16').style.left= (left_pos + "px");
	document.getElementById('middle17').style.left= (left_pos + "px");
	document.getElementById('middle18').style.left= (left_pos + "px");
	document.getElementById('middle19').style.left= (left_pos + "px");
	document.getElementById('middle20').style.left= (left_pos + "px");
	document.getElementById('middle21').style.left= (left_pos + "px");
	document.getElementById('middle22').style.left= (left_pos + "px");
	document.getElementById('middle23').style.left= (left_pos + "px");
	document.getElementById('middle24').style.left= (left_pos + "px");
	
}

 
// variable to store a window object
var popwin = null;

// a function to open a pop-up window
function other()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.hythetowncouncil.gov.uk/Notices/Noticeboard.html", "","top=40,left=125,width=1100,height=800,scrollbars,status");
} 

// a function to open a pop-up window
function website1()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.seos-art.org", "","top=40,left=125,width=1100,height=800,scrollbars,status");
}
// a function to open a pop-up window
function website2()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.venetian-fete.com", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}

// a function to open a pop-up window
function website3()
{	
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.kent.gov.uk/kentcountryparks", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}

// a function to open a pop-up window
function website4()
{	
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.hythetownband.org", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}


function scrolldown()
{window.scrollBy(200,760);
}

function reveal()
{
document.getElementById("back").style.visibility="visible";
}
function hide()
{
document.getElementById("back").style.visibility="hidden";
}

function reveal1()
{
document.getElementById("back1").style.visibility="visible";
}
function hide1()
{
document.getElementById("back1").style.visibility="hidden";
}


// function to close a pop-up window
function close_popup()
{ 
    if(popwin != null){ popwin.close(); popwin = null; }
}

// a function to open a pop-up window
function website5()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.shepway.gov.uk/content/view/200582/47", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}


// a function to open a pop-up window
function website6()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.portlympnebootfairs.org.uk", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}

// a function to open a pop-up window
function website7()
{
  if(popwin != null) popwin.close(); popwin = null;
  if(popwin == null)
  popwin = window.open( "http://www.kentgreyhoundrescue.com", "","top=30,left=150,width=1000,height=900,scrollbars,status");
}