rem: var whichIm = document.images.item(el + 'Child'); 
add: var whichIm = document.images.item(el + 'Img'); 
context: function expandBase(el, unexpand){  if (!capable)    return;  if (isDOM) {    var whichEl = document.getElementById(el + 'Child');    var whichIm = document.getElementById(el + 'Img');    if (whichEl.style.display == 'none' && whichIm) {      whichEl.style.display  = 'block';      whichIm.src            = imgOpened.src;    }    else if (unexpand) {      whichEl.style.display  = 'none';      whichIm.src            = imgClosed.src;    }  } // end of the DOM case  else if (isIE4) {    var whichEl = document.all(el + 'Child');    var whichIm = document.images.item(el + 'Child');    if (whichEl.style.display == 'none') {      whichEl.style.display  = 'block';      whichIm.src            = imgOpened.src;    }    else if (unexpand) {      whichEl.style.display  = 'none';      whichIm.src            = imgClosed.src;    }  } // end of the IE4 case  else if (isNS4) {    var whichEl = document.layers[el + 'Child'];    var whichIm = document.layers[el + 'Parent'].document.images['imEx'];    if (whichEl.visibility == 'hide') {      whichEl.visibility  = 'show';      whichIm.src         = imgOpened.src;    }    else if (unexpand) {      whichEl.visibility  = 'hide';      whichIm.src         = imgClosed.src;    }    nsArrangeList();  } // end of the NS4 case} // end of the 'expandBase()' function
meta: 8858	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8858/4c3d5793a964c6f1deba985f427ce4c655342119/left.js/buggy/left.js