// JavaScript Document
function showbt1() {
	showTab1() ;
	showSub1() ;
	document.body.focus();
}
function showbt2() {
	showTab2() ;
	showSub2() ;
	document.body.focus();
}
function showbt3() {
	showTab3() ;
	showSub3() ;
	document.body.focus();
}
function showTab1() {
	document.getElementById("gs_1").className = "gs1" ;
	document.getElementById("xw_1").className = "xw2" ;
	document.getElementById("lx_1").className = "lx2" ;
}
function showTab2() {
	document.getElementById("gs_1").className = "gs2" ;
	document.getElementById("xw_1").className = "xw1" ;
	document.getElementById("lx_1").className = "lx2" ;
}
function showTab3() {
	document.getElementById("gs_1").className = "gs2" ;
	document.getElementById("xw_1").className = "xw2" ;
	document.getElementById("lx_1").className = "lx1" ;
}
function showSub1() {
	document.getElementById("gs_sub1").style.display = "block" ;
	document.getElementById("xw_sub1").style.display = "none" ;
	document.getElementById("lx_sub1").style.display = "none" ;
}
function showSub2() {
	document.getElementById("gs_sub1").style.display = "none" ;
	document.getElementById("xw_sub1").style.display = "block" ;
	document.getElementById("lx_sub1").style.display = "none" ;
}
function showSub3() {
	document.getElementById("gs_sub1").style.display = "none" ;
	document.getElementById("xw_sub1").style.display = "none" ;
	document.getElementById("lx_sub1").style.display = "block" ;
}