function $(id){return document.getElementById(id);}
function goTab(num,tab_num,pre) {
	for(var i=1;i<tab_num;i++){$(pre+"_info_1"+i).style.display="none";}
	for(var i=1;i<tab_num;i++){$(pre+"_tab_1"+i).className="tn";}
	$(pre+"_tab_1"+num).className="ta";
	$(pre+"_info_1"+num).style.display="block";
	if (pre == "toptab"){
		for(var i=1;i<tab_num;i++){$(pre+"_tab_1"+i).className="btn3_1";}
			$(pre+"_tab_1"+num).className="btn2_1";
			$(pre+"_info_1"+num).style.display="block";
		}
}
function gowayTra(num,pre){
	for(var i=1;i<4;i++){$(pre+"_info_1"+i).style.display="none";
	$(pre+"_tab_1"+i).className="tn"+i+" tn";
	
	}
	$(pre+"_tab_1"+num).className="ta"+num+" ta";
	$(pre+"_info_1"+num).style.display="block";
	
}




//下面是滑动门

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","m03","m04","m05"],["c01","c02","c03","c04","c05"],"sd01","sd02");
}