rem: if (!(triangle = MM_findObj('triangle' + couche))) return; 
add: triangle = MM_findObj('triangle' + couche); 
context: function swap_couche(couche){	if (!(triangle = MM_findObj('triangle' + couche))) return;	if (!(layer = MM_findObj('Layer' + couche))) return;	if (vis[couche] == 'hide'){		triangle.src = 'img_pack/deplierbas.gif';		layer.style.display = 'block';		vis[couche] = 'show';	} else {		triangle.src = 'img_pack/deplierhaut.gif';		layer.style.display = 'none';		vis[couche] = 'hide';	}}
meta: 207	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/207/498247285411b5c94e02eaee7757396438cdce1f/layer.js/buggy/ecrire/layer.js