function gradient(id, level)
{
	var box = document.getElementById(id);
	box.style.opacity = level;
	box.style.MozOpacity = level;
	box.style.KhtmlOpacity = level;
	box.style.filter = "alpha(opacity=" + level * 100 + ")";
	box.style.display="block";
	return;
}


function fadein(id) 
{
	var level = 0;
	while(level <= 1)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}


// Open the lightbox


function openbox(fadin)
{
    window.location.href="#"; 
  var box = document.getElementById('box'); 
  document.getElementById('filter').style.display='block';
  if(fadin)
  {
	 gradient("box", 0);
	 fadein("box");
  }
  else
  { 	
    box.style.display='block';
  }  
  LockPage();	
}


// Close the lightbox

function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
   UnLockPage();
}

function noScrollIE() {

document.body.scroll = "no";

document.body.style.overflow = 'hidden';
}

function scrollIE() {

document.body.scroll = "yes";

document.body.style.overflow = 'scroll';

}

function noScrollNS() {

document.width = window.innerWidth;

document.height = window.innerHeight;

}

function scrollNS() {

document.width = 1000;

document.height = 1000;

}
function LockPage() {

if (browser = "Internet Explorer") {

noScrollIE();

}

else if (browser = "Netscape Navigator") {

noScrollNS();

}

}

function UnLockPage() {

if (browser = "Internet Explorer") {

scrollIE();

}

else if (browser = "Netscape Navigator") {

scrollNS();

}

}