//导航二级菜单
function displaySubMenu(li) {
    var subMenu = li.getElementsByTagName("ul")[0];
    if(subMenu!=null){
    	subMenu.style.display = "block";
    }
}
function hideSubMenu(li) {
    var subMenu = li.getElementsByTagName("ul")[0];
	if(subMenu!=null){
    	subMenu.style.display = "none";
    }
}

function showTab(target,num){
    var tabs = document.getElementById(target).getElementsByTagName('a');
    if(tabs.length){
       for(var i=0;i<tabs.length;i++){
           if(i==num){
                tabs[i].className = "index_t";
           }else{
                tabs[i].className = "index_t1";
           }
       }
    }    
}

function showTabList(target,num){
   var tabsList = document.getElementById(target).getElementsByTagName('div');
   if(tabsList.length){
       for(var i=0;i<tabsList.length;i++){
           if(i==num){
                tabsList[i].style.display = "block";
           }else{
                tabsList[i].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";	
}