function scrollDoor(){ } scrollDoor.prototype = { sd : function(menus,divs,openClass,closeClass){ var _this = this; if(menus.length != divs.length) { alert("菜单层数量和内容层数量不一样!"); return false; } for(var i = 0 ; i < menus.length ; i++) { _this.$(menus[i]).value = i; _this.$(menus[i]).onmouseover = function(){ for(var j = 0 ; j < menus.length ; j++) { _this.$(menus[j]).className = closeClass; _this.$(divs[j]).style.display = "none"; } _this.$(menus[this.value]).className = openClass; _this.$(divs[this.value]).style.display = "block"; } } }, $ : function(oid){ if(typeof(oid) == "string") return document.getElementById(oid); return oid; } } window.onload = function(){ var SDmodel = new scrollDoor(); SDmodel.sd(["m01","m02"],["c01","c02"],"sd001","sd002"); } var stopscroll = false; var scrollElem = document.getElementById("andyscroll"); var marqueesHeight = scrollElem.style.height; scrollElem.onmouseover = new Function('stopscroll = true'); scrollElem.onmouseout = new Function('stopscroll = false'); var preTop = 0; var currentTop = 0; var stoptime = 0; var leftElem = document.getElementById("scrollmessage"); scrollElem.appendChild(leftElem.cloneNode(true)); init_srolltext(); function init_srolltext(){ scrollElem.scrollTop = 0; setInterval('scrollUp()', 115); } function scrollUp(){ if(stopscroll) return; currentTop += 2; if(currentTop == 19) { stoptime += 1; currentTop -= 1; if(stoptime == 180) { currentTop = 0; stoptime = 0; } }else{ preTop = scrollElem.scrollTop; scrollElem.scrollTop += 1; if(preTop == scrollElem.scrollTop){ scrollElem.scrollTop = 0; scrollElem.scrollTop += 1; } } } function setFocus3(i) { selectLayer3(i);} function selectLayer3(i) {switch(i) { case 1: document.getElementById("N1").className="toocle2"; document.getElementById("N2").className="toocle1"; document.getElementById("N3").className="toocle1"; break; case 2: document.getElementById("N1").className="toocle1"; document.getElementById("N2").className="toocle2"; document.getElementById("N3").className="toocle1"; break; case 3: document.getElementById("N1").className="toocle1"; document.getElementById("N2").className="toocle1"; document.getElementById("N3").className="toocle2"; break;}}