//鼠标经过切换标签函数
function swap_tag_(a,n,total){
	for(var i=1;i<=total;i++){
	var curB=document.getElementById(a+i);
	if(n==i){
	curB.className="current";
	}else{
	curB.className=" ";
	}
	}
}
//鼠标经过切换排行和推荐函数
function rectop(a,n){
	for(var i=1;i<=2;i++){
	var curB=document.getElementById(a+i);
	if(n==i){
	curB.className="rectop";
	}else{
	curB.className="rectopHide";
	}
	}
}
//二级菜单函数
function menuFix() {
	var sfEls = document.getElementById("mainNav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
		this.className+=(this.className.length>0? " ": "") + "show";
		}
		sfEls[i].onMouseDown=function() {
		this.className+=(this.className.length>0? " ": "") + "show";
		}
		sfEls[i].onMouseUp=function() {
		this.className+=(this.className.length>0? " ": "") + "show";
		}
		sfEls[i].onmouseout=function() {
		this.className=this.className.replace(new RegExp("( ?|^)show\\b"), 
"");
		}
	}
}
function addfavorite()
{
   if (document.all)
   {
      window.external.addFavorite('http://www.qcenglish.com','七彩英语 - 提供各类英文原版电子书下载');
   }
   else if (window.sidebar)
   {
      window.sidebar.addPanel('七彩英语 - 提供各类英文原版电子书下载', 'http://www.qcenglish.com', "");
   }
} 
function copypassword()
{
   window.clipboardData.setData('text','www.qcenglish.com');
   alert("密码已经复制");
} 
window.onload=menuFix;