var cssdropdown = { disappeardelay: 250, dropdownindicator: '', enablereveal: [true, 10], enableiframeshim: 1, dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, revealtimers: {}, getposOffset: function(what, offsettype) { var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop; var parentEl = what.offsetParent; while (parentEl != null) { totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset + parentEl.offsetTop; parentEl = parentEl.offsetParent } return totaloffset }, css: function(el, targetclass, action) { var needle = new RegExp("(^|\\s+)" + targetclass + "($|\\s+)", "ig"); if (action == "check") return needle.test(el.className); else if (action == "remove") el.className = el.className.replace(needle, ""); else if (action == "add" && !needle.test(el.className)) el.className += " " + targetclass }, showmenu: function(dropmenu, e) { if (this.enablereveal[0]) { if (!dropmenu._trueheight || dropmenu._trueheight < 10) dropmenu._trueheight = dropmenu.offsetHeight; clearTimeout(this.revealtimers[dropmenu.id]); dropmenu.style.height = dropmenu._curheight = 0; dropmenu.style.overflow = "hidden"; dropmenu.style.visibility = "visible"; this.revealtimers[dropmenu.id] = setInterval(function() { cssdropdown.revealmenu(dropmenu) }, 10) } else { dropmenu.style.visibility = "visible" } this.css(this.asscmenuitem, "selected", "add") }, revealmenu: function(dropmenu, dir) { var curH = dropmenu._curheight, maxH = dropmenu._trueheight, steps = this.enablereveal[1]; if (curH < maxH) { var newH = Math.min(curH, maxH); dropmenu.style.height = newH + "px"; dropmenu._curheight = newH + Math.round((maxH - newH) / steps) + 1 } else { dropmenu.style.height = "auto"; dropmenu.style.overflow = "hidden"; clearInterval(this.revealtimers[dropmenu.id]) } }, clearbrowseredge: function(obj, whichedge) { var edgeoffset = 0; if (whichedge == "rightedge") { var windowedge = document.all && !window.opera ? this.standardbody.scrollLeft + this.standardbody.clientWidth - 15 : window.pageXOffset + window.innerWidth - 15; var dropmenuW = this.dropmenuobj.offsetWidth; if (windowedge - this.dropmenuobj.x < dropmenuW) edgeoffset = dropmenuW - obj.offsetWidth } else { var topedge = document.all && !window.opera ? this.standardbody.scrollTop : window.pageYOffset; var windowedge = document.all && !window.opera ? this.standardbody.scrollTop + this.standardbody.clientHeight - 15 : window.pageYOffset + window.innerHeight - 18; var dropmenuH = this.dropmenuobj._trueheight; if (windowedge - this.dropmenuobj.y < dropmenuH) { edgeoffset = dropmenuH + obj.offsetHeight; if ((this.dropmenuobj.y - topedge) < dropmenuH) edgeoffset = this.dropmenuobj.y + obj.offsetHeight - topedge } } return edgeoffset }, dropit: function(obj, e, dropmenuID) { if (this.dropmenuobj != null) this.hidemenu(); this.clearhidemenu(); this.dropmenuobj = document.getElementById(dropmenuID); this.asscmenuitem = obj; this.showmenu(this.dropmenuobj, e); this.dropmenuobj.x = this.getposOffset(obj, "left"); this.dropmenuobj.y = this.getposOffset(obj, "top"); this.dropmenuobj.style.left = this.dropmenuobj.x - this.clearbrowseredge(obj, "rightedge") + "px"; this.dropmenuobj.style.top = this.dropmenuobj.y - this.clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + 1 + "px"; this.positionshim() }, positionshim: function() { if (this.iframeshimadded) { if (this.dropmenuobj.style.visibility == "visible") { this.shimobject.style.width = this.dropmenuobj.offsetWidth + "px"; this.shimobject.style.height = this.dropmenuobj._trueheight + "px"; this.shimobject.style.left = parseInt(this.dropmenuobj.style.left) + "px"; this.shimobject.style.top = parseInt(this.dropmenuobj.style.top) + "px"; this.shimobject.style.display = "block" } } }, hideshim: function() { if (this.iframeshimadded) this.shimobject.style.display = 'none' }, isContained: function(m, e) { var e = window.event || e; var c = e.relatedTarget || ((e.type == "mouseover") ? e.fromElement : e.toElement); while (c && c != m) try { c = c.parentNode } catch (e) { c = m } if (c == m) return true; else return false }, dynamichide: function(m, e) { if (!this.isContained(m, e)) { this.delayhidemenu() } }, delayhidemenu: function() { this.delayhide = setTimeout("cssdropdown.hidemenu()", this.disappeardelay) }, hidemenu: function() { this.css(this.asscmenuitem, "selected", "remove"); this.dropmenuobj.style.visibility = 'hidden'; this.dropmenuobj.style.left = this.dropmenuobj.style.top = "-1000px"; this.hideshim() }, clearhidemenu: function() { if (this.delayhide != "undefined") clearTimeout(this.delayhide) }, addEvent: function(target, functionref, tasktype) { if (target.addEventListener) target.addEventListener(tasktype, functionref, false); else if (target.attachEvent) target.attachEvent('on' + tasktype, function() { return functionref.call(target, window.event) }) }, startchrome: function() { if (!this.domsupport) return; this.standardbody = (document.compatMode == "CSS1Compat") ? document.documentElement : document.body; for (var ids = 0; ids < arguments.length; ids++) { var menuitems = document.getElementById(arguments[ids]).getElementsByTagName("a"); for (var i = 0; i < menuitems.length; i++) { if (menuitems[i].getAttribute("rel")) { var relvalue = menuitems[i].getAttribute("rel"); var asscdropdownmenu = document.getElementById(relvalue); this.addEvent(asscdropdownmenu, function() { cssdropdown.clearhidemenu() }, "mouseover"); this.addEvent(asscdropdownmenu, function(e) { cssdropdown.dynamichide(this, e) }, "mouseout"); this.addEvent(asscdropdownmenu, function() { cssdropdown.delayhidemenu() }, "click"); try { menuitems[i].innerHTML = menuitems[i].innerHTML + " " + this.dropdownindicator } catch (e) { } this.addEvent(menuitems[i], function(e) { if (!cssdropdown.isContained(this, e)) { var evtobj = window.event || e; cssdropdown.dropit(this, evtobj, this.getAttribute("rel")) } }, "mouseover"); this.addEvent(menuitems[i], function(e) { cssdropdown.dynamichide(this, e) }, "mouseout"); this.addEvent(menuitems[i], function() { cssdropdown.delayhidemenu() }, "click") } } } if (this.enableiframeshim && document.all && !window.XDomainRequest && !this.iframeshimadded) { document.write('<IFRAME id="iframeshim" src="about:blank" frameBorder="0" scrolling="no" style="left:0; top:0; position:absolute; display:none;z-index:90; background: transparent;"></IFRAME>'); this.shimobject = document.getElementById("iframeshim"); this.shimobject.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'; this.iframeshimadded = true } } }