var oldBlock = null;
var timeOut = 3;

function displayFamille(idBlock)
{
	if(oldBlock != idBlock)
	{
		if(idBlock != 'none')
		{
			oBlock 			= document.getElementById('on_survol_' + idBlock).style;
			oBlockHeader 	= document.getElementById('header_vol_' + idBlock).style;
			
			if(oBlock.visibility == 'hidden' || oBlock.visibility == '')
			{
				oBlock.visibility = 'visible';
				oBlock.display = 'block';

				oBlockHeader.backgroundColor = '#DDD';
			}
			else
			{
				oBlock.visibility = 'hidden';
				oBlock.display = 'none';

				oBlockHeader.backgroundColor = '';
			}
		}
	
		if(oldBlock !== null && oldBlock != idBlock)
		{
			oldBlocktmp = oldBlock;
			oldBlock = null;
			displayFamille(oldBlocktmp);
		}

		oldBlock = idBlock;
	}

	timeOut = 1000;
}

function jackTimeOut()
{
	timeOut = eval(timeOut-1);
	
	if(timeOut <= 0)
	{
		displayFamille('none');
	}

	window.setTimeout("jackTimeOut()",100);
}

function out()
{
	timeOut = 2;
}

jackTimeOut();