function zahe_1(name,cursel,n)
 { 
	for(i=1;i<=n;i++)
		{ 
			var menu=document.getElementById(name+i); 
			var con=document.getElementById("con_"+name+"_"+i); 
			menu.className=i==cursel?"hover":""; 
			con.style.display=i==cursel?"block":"none"; 
		} 
 }  
  function zahe_2(name,cursel,n)
 { 
	for(i=1;i<=n;i++)
		{ 
			var menu=document.getElementById(name+i); 
			var con2=document.getElementById("con2_"+name+"_"+i); 
			menu.className=i==cursel?"hover":""; 
			con2.style.display=i==cursel?"block":"none"; 
		} 
 } 
  function zahe_3(name,cursel,n)
 { 
	for(i=1;i<=n;i++)
		{ 
			var menu=document.getElementById(name+i); 
			var con3=document.getElementById("con3_"+name+"_"+i); 
			menu.className=i==cursel?"hover":""; 
			con3.style.display=i==cursel?"block":"none"; 
		} 
 } 
  function zahe_4(name,cursel,n)
 { 
	for(i=1;i<=n;i++)
		{ 
			var menu=document.getElementById(name+i); 
			var con4=document.getElementById("con4_"+name+"_"+i); 
			menu.className=i==cursel?"hover":""; 
			con4.style.display=i==cursel?"block":"none"; 
		} 
 }