function initDescr()
{
	if (document.layers)
	{
		document.write("<layer name='bulle' style='color:#AAAAAA; font-size:12px; paddin:5px; visibility:hidden;'></layer>");
	}
	if (document.all)
	{
		document.write("<div id='bulle' style='color:#AAAAAA; font-size:12px; margin:5px; visibility:hidden;'></div>");
	}
	else if (document.getElementById)
	{
		document.write("<div id='bulle' style='color:#AAAAAA; font-size:12px; margin:5px; visibility:hidden;'></div>");
	}
}

initDescr();

function showDescr(texte) 
{
	if (document.layers)
	{
		document.layers["bulle"].document.write(texte);
		document.layers["bulle"].document.close();
	 	document.layers["bulle"].visibility="show";
	}
	if (document.all) 
	{
		bulle.innerHTML=texte;
		document.all["bulle"].style.visibility="visible";
	}
	else if (document.getElementById)
	{
		document.getElementById("bulle").innerHTML=texte;
		document.getElementById("bulle").style.visibility="visible";
	}
}

function hideDescr() 
{
	if (document.layers){document.layers["bulle"].visibility="hide";}
	if (document.all){document.all["bulle"].style.visibility="hidden";}
	else if (document.getElementById){document.getElementById("bulle").style.visibility="hidden";}
}