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(formtitle, fadin)
{
	var total;
	if(formtitle == 'Request Order')
	{
		total = document.getElementById('totalprice').value;
	}
	else
	{
		total = 1;
	}
	if(total > 0)
	{
		var box = document.getElementById('box').style.display='block'; 
		document.getElementById('filter').style.display='block';
		var btitle = document.getElementById('boxtitle');
		btitle.innerHTML = formtitle;
		if(fadin)
		{
			gradient("box", 0);
			fadein("box");
		}
		else
		{ 	
			box.style.display='block';
		}  	
	}
	else
	{
		alert('Please choose at least one product to finish the order');	
	}
}


// Close the lightbox

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