var vis = new Array();
var lastvis=-1;

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function swap_couche(couche, rtl, path) {
   triangle = MM_findObj('triangle' + couche);
   if (!(layer = MM_findObj('Layer' + couche))) return;
   if( typeof(vis[couche])=='undefined' ) vis[couche]='hide';	
   if (vis[couche] == 'hide'){
      if (triangle) triangle.src = path + '/deplierbas.gif';
      layer.style.display = 'block';
      vis[couche] = 'show';
		//if (lastvis != -1) fermer_couche(lastvis,'',path);
      lastvis=couche ;				
   }
	else
	{
		fermer_couche(couche,'',path);
      lastvis=-1 ;				
	}
	
}
function ouvrir_couche(couche, rtl, path) {
   triangle = MM_findObj('triangle' + couche);
   if (!(layer = MM_findObj('Layer' + couche))) return;
   if (triangle) triangle.src = path + '/deplierbas.gif';
   layer.style.display = 'block';
   vis[couche] = 'show';
}
function fermer_couche(couche, rtl, path) {
   triangle = MM_findObj('triangle' + couche);
   if (!(layer = MM_findObj('Layer' + couche))) return;
   if (triangle) triangle.src = path + '/deplierhaut.gif';
   layer.style.display = 'none';
   vis[couche] = 'hide';
}
function manipuler_couches(action,rtl,first,last, path) {
   if (action=='ouvrir') {
      for (j=first; j<=last; j+=1) {
         ouvrir_couche(j,rtl,path);
      }
   } else {
      for (j=first; j<=last; j+=1) {
         fermer_couche(j,rtl,path);
      }
   }
}
function not_couches(rtl,first,last, path) {
	for (j=first; j<=last; j+=1) {
		 if( typeof(vis[j])=='undefined' ) vis[j]='hide';	
		 if ( vis[j] == 'hide' )
		 	ouvrir_couche(j,rtl, path)
		 else
	        fermer_couche(j,rtl,path);
      }
}