// JScript 文件
 function lu(w)
  {
	for(a=1;a<3;a++)
	{
		document.getElementById("ljj_"+a).style.display="none"
	}
	document.getElementById("ljj_"+w).style.display="block"
  }

  function bian(w)
 {
	for(a=1;a<6;a++)
	{
	document.getElementById("qiehuan_"+a).style.display="none"
	}
	document.getElementById("qiehuan_"+w).style.display="block"	
 }

function bianRegion(w)
{
	for(a=1;a<5;a++)
	{
		document.getElementById("main"+a).style.display="none"		
		document.getElementById("nav"+a).style.background="url(images/theme_blue.gif)"
		document.getElementById("nav"+a).style.borderBottom=""
	}
	document.getElementById("main"+w).style.display="block"
	document.getElementById("nav"+w).style.background="none"
	document.getElementById("nav"+w).style.borderBottom="none"
}