function applyStyle()
{
	var trs = document.getElementsByTagName('tr');
	
	for( var i=0; i<trs.length-1; i=i+2 )
	{
		trs[i].className='ligneEnEvidence';
	}
	
	tables = document.getElementsByTagName('table');
	
	for( var i=0; i<tables.length; i++ )
	{
		var dds = tables[i].getElementsByTagName('dd');
		for( var j=0; j<dds.length; j++ )
		{
			dds[j].className='hideDescription';
		}
		
		var dts = tables[i].getElementsByTagName('dt');
		for( var j=0; j<dts.length; j++ )
		{
			dts[j].onmouseover = displayDescription;
			dts[j].onmouseout = hideDescription;
		}
	}
	
	function displayDescription()
	{
		var dl = this.parentNode;
		var dds = dl.getElementsByTagName('dd');
		for( var i=0; i<dds.length; i++ )
		{
			dds[i].className='displayDescription';
		}
	}
	
	function hideDescription()
	{
		var dl = this.parentNode;
		var dds = dl.getElementsByTagName('dd');
		for( var i=0; i<dds.length; i++ )
		{
			dds[i].className='hideDescription';
		}
	}
	
	
}