//导航二级菜单
function displaySubMenu(li) {
            var subMenu = li.getElementsByTagName("ul")[0];
			if(subMenu){
                subMenu.style.display = "block";
			}
        }
        function hideSubMenu(li) {
            var subMenu = li.getElementsByTagName("ul")[0];
			  if(subMenu){
			     subMenu.style.display = "none";
			  }
			}
  
//选项卡效果a
function secBoard_a(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_a").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_a_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}
//选项卡效果b
function secBoard_b(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_b").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_b_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}
//选项卡效果c
function secBoard_c(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_c").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_c_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}
//选项卡效果d
function secBoard_d(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_d").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_d_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}
//选项卡效果e
function secBoard_e(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_e").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_e_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}
//选项卡效果f
function secBoard_f(showContent,selfObj){
	// 操作标签
	var ulboard=document.getElementById("secTable_f").getElementsByTagName("li");
	var ulboardlength = ulboard.length;
	for(i=0; i<ulboardlength; i++){
		ulboard[i].className = "";
	}
	selfObj.parentNode.className = "changnow";
	// 操作内容	
	for(i=0; j=document.getElementById("changtable_f_"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";	
}