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 newsletter


function openbox(formtitle, fadin)
{
  var box = document.getElementById('box_news_form'); 
  document.getElementById('shadowing_news_form').style.display='block';

  var btitle = document.getElementById('boxtitle_news_form');
  btitle.innerHTML = formtitle;
  
  if(fadin)
  {
	 gradient("box_news_form", 0);
	 fadein("box_news_form");
  }
  else
  { 	
    box.style.display='block';
  }  	
}


// Close the lightbox newsletter

function closebox()
{
   document.getElementById('box_news_form').style.display='none';
   document.getElementById('shadowing_news_form').style.display='none';
}

// Open the lightbox certification


function openbox_certification(formtitle, fadin, image)
{
  var box = document.getElementById('box_certificate'); 
  document.getElementById('shadowing_certificate').style.display='block';

  var btitle = document.getElementById('title_certificate');
  btitle.innerHTML = formtitle;
  //var bimage = document.getElementByID('image_certificate');
  //bimage.innerHTML = image;
  var image = image;
  
  
  if(fadin)
  {
	 gradient("box_certificate", 0);
	 fadein("box_certificate");
  }
  else
  { 	
    box.style.display='block';
  }  	
}
// Close the lightbox certification

function closebox_certification()
{
   document.getElementById('box_certificate').style.display='none';
   document.getElementById('shadowing_certificate').style.display='none';
}