function hidden_div()
{
document.getElementById('splash_moi').style.visibility = 'hidden'
}

function centerPos()
{

var wHeight, wWidth, sHeight, sWidth, bitDepth;

if (navigator.appName=="Netscape")
	{
	wHeight = window.innerHeight;
	wWidth = window.innerWidth;
	sHeight = screen.height;
	sWidth = screen.width;
	var div_width = document.getElementById('splash_moi').offsetWidth
	var div_height = document.getElementById('splash_moi').offsetHeight	
	}
else
	{
	wHeight = document.body.clientHeight;
	wWidth = document.body.clientWidth;
	sHeight = screen.height;
	sWidth = screen.width;
	var div_width = document.getElementById('splash_moi').clientWidth
	var div_height = document.getElementById('splash_moi').clientHeight	
	}

document.getElementById('splash_moi').style.left = (wWidth-div_width)/2
document.getElementById('splash_moi').style.top = (wHeight-div_height)/2
document.getElementById('splash_moi').style.zIndex = 0
document.getElementById('splash_moi').style.visibility = 'visible'

}

function showNotes(notesNbr)
{

document.getElementById('work_notes' + notesNbr).style.visibility = 'visible'

}

function hideNotes(notesNbr)
{

document.getElementById('work_notes' + notesNbr).style.visibility = 'hidden'

}