<!--普通选项卡 导航 搜索-->
function  secBoard(obj,listname,n)
{
	var lia = document.getElementById(obj).getElementsByTagName("li");
	var lialen=lia.length
	for(i=0; i<lialen; i++){
		lia[i].className = "ocurMenu";
	}
	lia[n-1].className = "curMenu";
		
	for (var i =1,j; j=document.getElementById(listname+"_"+i); i++){
			j.style.display="none";
	}
	document.getElementById(listname+"_"+n).style.display="block";
}

<!--带圆角边选项卡 box3-->
 function  secBoard_box3(obj,listname,n)
{
	var lia = document.getElementById(obj).getElementsByTagName("li");
	var lialen=lia.length
	for(i=0; i<lialen; i++){	   	
			lia[i].className = "ocurMenu_box3";			
	}	
	if (n==1){
		lia[0].className="clickfirst_box3";
		lia[lia.length-1].className="last_box3";
	}else if (n==lia.length){
		lia[lia.length-1].className="clicklast_box3";
		lia[0].className="first_box3";
	}else{
		lia[0].className="first_box3";
		lia[lia.length-1].className="last_box3";
		lia[n-1].className = "curMenu_box3";
	}
	for (var i =1,j; j=document.getElementById(listname+"_"+i); i++){
			j.style.display="none";
	}
	document.getElementById(listname+"_"+n).style.display="block";
}
<!--带圆角边选项卡 box4-->
 function  secBoard_box4(obj,listname,n)
{
	var lia = document.getElementById(obj).getElementsByTagName("li");
	var lialen=lia.length
	for(i=0; i<lialen; i++){	   	
			lia[i].className = "ocurMenu_box4";			
	}	
	if (n==1){
		lia[0].className="clickfirst_box4";
		lia[lia.length-1].className="last_box4";
	}else if (n==lia.length){
		lia[lia.length-1].className="clicklast_box4";
		lia[0].className="first_box4";
	}else{
		lia[0].className="first_box4";
		lia[lia.length-1].className="last_box4";
		lia[n-1].className = "curMenu_box4";
	}
	for (var i =1,j; j=document.getElementById(listname+"_"+i); i++){
			j.style.display="none";
	}
	document.getElementById(listname+"_"+n).style.display="block";
}
<!--带圆角边选项卡 box5-->
 function  secBoard_box5(obj,listname,n)
{
	var lia = document.getElementById(obj).getElementsByTagName("li");
	var lialen=lia.length
	for(i=0; i<lialen; i++){	   	
			lia[i].className = "ocurMenu_box5";			
	}	
	if (n==1){
		lia[0].className="clickfirst_box5";
		lia[lia.length-1].className="last_box5";
	}else if (n==lia.length){
		lia[lia.length-1].className="clicklast_box5";
		lia[0].className="first_box5";
	}else{
		lia[0].className="first_box5";
		lia[lia.length-1].className="last_box5";
		lia[n-1].className = "curMenu_box5";
	}
	for (var i =1,j; j=document.getElementById(listname+"_"+i); i++){
			j.style.display="none";
	}
	document.getElementById(listname+"_"+n).style.display="block";
}
<!--带圆角边选项卡 box6-->
 function  secBoard_box6(obj,listname,n)
{
	var lia = document.getElementById(obj).getElementsByTagName("li");
	var lialen=lia.length
	for(i=0; i<lialen; i++){	   	
			lia[i].className = "ocurMenu_box6";			
	}	
	if (n==1){
		lia[0].className="clickfirst_box6";
		lia[lia.length-1].className="last_box6";
	}else if (n==lia.length){
		lia[lia.length-1].className="clicklast_box6";
		lia[0].className="first_box6";
	}else{
		lia[0].className="first_box6";
		lia[lia.length-1].className="last_box6";
		lia[n-1].className = "curMenu_box6";
	}
	for (var i =1,j; j=document.getElementById(listname+"_"+i); i++){
			j.style.display="none";
	}
	document.getElementById(listname+"_"+n).style.display="block";
}