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(["m001","m002","m003","m004","m005"],["c001","c002","c003","c004","c005"],"sd001","sd002"); //硬盘数据服务器数据恢复恢复滑动门
      SDmodel.sd(["m0000001","m0000002","m0000003","m0000004","m0000005"],["c0000001","c0000002","c0000003","c0000004","c0000005"],"sd00001","sd00002");//硬盘数据恢复
      SDmodel.sd(["m00000001","m00000002","m00000003","m00000004"],["c00000001","c00000002","c00000003","c00000004"],"sd00001","sd00002");//服务器数据恢复
	  SDmodel.sd(["m000000001","m000000002","m000000003","m000000004"],["c000000001","c000000002","c000000003","c000000004"],"sd00001","sd00002");//各类故障数据恢复
	  SDmodel.sd(["m0000000001", "m0000000002", "m0000000003", "m0000000004", "m0000000005", "m0000000006"], ["c0000000001", "c0000000002", "c0000000003", "c0000000004", "c0000000005", "c0000000006"], "sd00001", "sd00002"); //数据库数据恢复
	  SDmodel.sd(["m000000000001", "m000000000002"], ["c000000000001", "c000000000002"], "sd0000001", "sd0000002"); //数据安全服务
	}