var part;
function affichDefinition(quelle){
        if(part){window.clearTimeout(part)}
        parent.bas.scrollTo(0,0);
        if(parent.bas.document.layers){
                for(i=0;i<(parent.bas.document.layers.length);i++){
                        if(parent.bas.document.layers[i].visibility=="show"){
                                parent.bas.document.layers[i].visibility="hide";
                        }
                }
                parent.bas.document.layers[quelle].visibility="show";
                part=window.setTimeout("degradator(\'"+quelle+"\')",60000);
        }else{
                for(i=0;i<(parent.bas.document.all.length);i++){
                        if(parent.bas.document.all[i].style.visibility=="visible"){
                                parent.bas.document.all[i].style.visibility="hidden";
                        }
                }
                parent.bas.document.all[quelle].style.visibility="visible";
                part=window.setTimeout("degradator(\'"+quelle+"\')",60000);
        }
}

function degradator(quel){
        parent.bas.scrollTo(0,0);
        if(parent.bas.document.layers){
                parent.bas.document.layers[quel].visibility="hide";
        }else{
                parent.bas.document.all[quel].style.visibility="hidden";
        }
}
function videTout(){
        parent.bas.scrollTo(0,0);
        if(parent.bas.document.layers){
                for(i=0;i<(parent.bas.document.layers.length);i++){
                        if(parent.bas.document.layers[i].visibility=="show"){
                                parent.bas.document.layers[i].visibility="hide";
                        }
                }
        }else{
                for(i=0;i<(parent.bas.document.all.length);i++){
                        if(parent.bas.document.all[i].style.visibility=="visible"){
                                parent.bas.document.all[i].style.visibility="hidden";
                        }
                }
        }
}