// JavaScript Document

function select_frame(ob,frameName)
{

var allMenu = document.getElementById("lanmu1_menu").getElementsByTagName("li");
for (var i=0; i<3; i++)
{

   allMenu[i].style.backgroundColor = "";
   allMenu[i].style.color = "";
   allMenu[i].style.fontWeight = "100";

}
ob.style.backgroundColor = "";
ob.style.color = "";
ob.style.fontWeight = "100";

var allFrame = document.getElementById("lanmu1_content").getElementsByTagName("div");
for (var i=0; i<3; i++)
{

   allFrame[i].style.display = "none";

}

document.getElementById(frameName).style.display = "block";

}