rem: arrowElm.style.top = Math.floor((this.offsetHeight - height) / 2) + px; 
add: arrowElm.style.top = Math.floor((this.offsetHeight - height) / 2) + 'px'; 
context: function setSubMenu(menuObj) { // Public method  var arrowElm = createElm("div");  arrowElm.id = this.id + "Arrow";  arrowElm.className = this.arrowClassName;  this.appendChild(arrowElm);  var height;  if (ie) {    height = getPropIntVal(arrowElm, "height");  }  else {    height = arrowElm.offsetHeight;  }  arrowElm.style.top = Math.floor((this.offsetHeight - height) / 2) + px;  this.subMenu = menuObj;  this.arrowObj = arrowElm;  this.setArrowClassName = function(className) { // Public method    this.arrowClassName = className;    this.arrowObj.className = this.arrowClassName;  };  this.setArrowClassNameOver = function(classNameOver) { // Public method    this.arrowClassNameOver = classNameOver;  };  menuObj.menuObj.style.zIndex = this.parent.menuObj.level + 1;  menuObj.menuObj.level = this.parent.menuObj.level + 1;}
meta: 8910	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8910/01b4dc2846b9d40be00fb1498bb9f8151654c057/jsdomenu.js/clean/trunk/js/jsDOMenuBar/jsdomenu.js