if (document.all)

{

layerRef="document.all";

styleSwitch=".style";

visibleVar="visible";



function montrer(layerName)

{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');}



function masquer(layerName)

{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');}

}





else if (document.getElementById&&!document.all)

 

{

function montrer(LayerName)

{(document.getElementById(LayerName).style.visibility="visible");}



function masquer(LayerName)

{(document.getElementById(LayerName).style.visibility="hidden");}

}



if (document.layers)

{

layerRef="document.layers";

styleSwitch="";

visibleVar="show";



function montrer(layerName)

{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');}



function masquer(layerName)

{eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');}

}