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 <= 0.05)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}

// Open the lightbox
function openbox(formtitle)
{
  document.getElementById('container').style.display='block';
  
  var box = document.getElementById('box'); 
  document.getElementById('filter').style.display='block';

  var btitle = document.getElementById('boxtitle');
  btitle.innerHTML = formtitle;
  
  // for fadein effect, change to gradient("box", 0)
  gradient("box", 1);
 // fadein("box");
}

// Close the lightbox
function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
   document.getElementById('container').style.display='none';
}