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_ami(fadin,advId ) {
  document.getElementById('filter').style.display='block';
  document.getElementById('box_ami').style.display='block'; 
  document.getElementById('amiAdvId').value= advId ;
  if (fadin)   {
	 gradient("box_ami", 0);
	 fadein("box_ami");
  } 	
}

function openbox_calculette(fadin){
 calculInit();
   document.getElementById('filter').style.display='block';
  document.getElementById('box_calculette').style.display='block'; 
  
  if(fadin)
  {
	 gradient("box_calculette", 0);
	 fadein("box_calculette");
  } 	
}

function openbox_contactbien(fadin) {
  document.getElementById('filter').style.display='block';
  document.getElementById('box_contactbien').style.display='block'; 
  if(fadin)  {
	 gradient("box_contactbien", 0);
	 fadein("box_contactbien");
  } 	
}

// Close the lightbox

function closebox_ami()
{
   document.getElementById('box_ami').style.display='none';
   document.getElementById('filter').style.display='none';
}

function closebox_calculette()
{
   document.getElementById('box_calculette').style.display='none';
   document.getElementById('filter').style.display='none';
}

function closebox_contactbien()
{
   document.getElementById('box_contactbien').style.display='none';
   document.getElementById('filter').style.display='none';
}