function treeMenu(tName, imgClose, imgOpen, obj) { tMenu = document.getElementById(tName).style; if(tMenu.display == 'none'){ tMenu.display = "block"; obj.src = imgOpen; } else { tMenu.display = "none"; obj.src = imgClose; } } function smartRollover() { if(document.getElementsByTagName) { var images = document.getElementsByTagName("img"); for(var i=0; i < images.length; i++) { if(images[i].getAttribute("src").match("_off.")) { images[i].onmouseover = function() { this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on.")); } images[i].onmouseout = function() { this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off.")); } } } } } if(window.addEventListener) { window.addEventListener("load", smartRollover, false); } else if(window.attachEvent) { window.attachEvent("onload", smartRollover); }