var ttls = new Array(); // An array for the title objects
var subs = new Array(); // An array for the submenu objects
var lastn;
var lastmove;
var extra = false;
var sameMenu = false;

if (document.layers) {
	visible = 'show';
	hidden = 'hide';
}
else if (document.all) {
	visible = 'visible';
	hidden = 'hidden';
}

for (var i = 1; i <= nom; i++) {
	ttls[i] = ('title' + i);
	subs[i] = ('submenu' +i);
}

function picopen(n) {
	title = ('title' + n);
	pic = ('pic' + n);
	if (document.layers) {
		document.layers[title].document.images[pic].src = "../img/closed.gif";
	}
	else if (document.all) {
		document.all(pic).src = "../img/closed.gif";
	}
}

function picclose(n) {
	title = ('title' + n);
	pic = ('pic' + n);
	if (document.layers) {
		document.layers[title].document.images[pic].src = "../img/closed.gif";
	}
	else if (document.all) {
		document.all(pic).src = "../img/closed.gif";
   	}
}

lastn = (nom + 1);
lastmove = 0;

function lasttoggle(n,move) {
	if (extra){

		toggleExtra();
	}
	if (n <= nom) {
		menu = ('submenu' + n);
		if (document.layers) {
			submenu = document.layers[menu];
		}
		else if (document.all) {
			submenu = document.all(menu).style;
		}
		if (submenu.visibility == visible) {
			submenu.visibility = hidden;
			picclose(n); // Remove this if you don't use pictures
			for (var i = (n+1); i <= nom; i++) {
				if (document.layers) {
					document.layers[ttls[i]].top -= move;
					document.layers[subs[i]].top -= move;
				}
				else if (document.all) {
					document.all(ttls[i]).style.pixelTop -= move;
					document.all(subs[i]).style.pixelTop -= move;
            			}
         		}
      		}
   	}
}


function toggle(n,move) {
	if(extra){
		toggleExtra();
	}
	menu = ('submenu' + n);
	if (document.layers) {
		submenu = document.layers[menu];
	}
	else if (document.all) {
		submenu = document.all(menu).style;
	}
	if (submenu.visibility == visible) {
		if (lastn == n) {
			return;
		}
		submenu.visibility = hidden;
		picclose(n);
		for (var i = (n+1); i <= nom; i++) {
			if (document.layers) {
				document.layers[ttls[i]].top -= move;
				document.layers[subs[i]].top -= move;
			}
			else if (document.all) {
				document.all(ttls[i]).style.pixelTop -= move;
				document.all(subs[i]).style.pixelTop -= move;
			}
   		}
	}
	else {
		submenu.visibility = visible;
		picopen(n);
		if (lastn != n) {
			lasttoggle(lastn,lastmove);
		}
		for (var i = (n+1); i <= nom; i++) {
			if (document.layers) {
				document.layers[ttls[i]].top += move;
				document.layers[subs[i]].top += move;
			}
			if (document.all) {
				document.all(ttls[i]).style.pixelTop += move;
				document.all(subs[i]).style.pixelTop += move;
      			}
   		}
	}
	lastn = n;
	lastmove = move;
}

function toggleoff() {
	lasttoggle(lastn, lastmove);
}

function toggleExtra() {
	var menu = ('submenu' + 21);
	var move = 95;
	if (document.layers) {
		var submenu = document.layers[menu];
	}
	else if (document.all) {
		var submenu = document.all(menu).style;
	}

	if (submenu.visibility == visible) {
		if(sameMenu)
			return;
		submenu.visibility = hidden;
		for (var i = 5; i <= nom; i++) {
			if (document.layers) {
				document.layers[ttls[i]].top -= move;
				document.layers[subs[i]].top -= move;
			}
			if (document.all) {
				document.all(ttls[i]).style.pixelTop -= move;
				document.all(subs[i]).style.pixelTop -= move;
      			}
   		}
		extra = false;
	}
	else {
		submenu.visibility = visible;
		for (var i = 5; i <= nom; i++) {
			if (document.layers) {
				document.layers[ttls[i]].top += move;
				document.layers[subs[i]].top += move;
			}
			if (document.all) {
				document.all(ttls[i]).style.pixelTop += move;
				document.all(subs[i]).style.pixelTop += move;
      			}
   		}
		extra = true;
	}
}