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]).className = "toocle1"; } _this.$(menus[this.value]).className = openClass; _this.$(divs[this.value]).className = "toocle2"; } } }, $ : 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"],"d01","d02"); SDmodel.sd(["mm01","mm02"],["cc01","cc02"],"dd01","dd02"); SDmodel.sd(["mmm01","mmm02","mmm03"],["ccc01","ccc02","ccc03"],"ddd01","ddd02"); }