// JavaScript Document

//sub01
function show_sub1(){	
	if(document.getElementById('sub1').className=="active"){
		document.getElementById('sub1').className="deactive";
				document.getElementById('sub_a').style.display="none"
		}
		else{
			document.getElementById('sub1').className="deactive";
			document.getElementById('sub1').className="active";
			document.getElementById('sub_a').style.display="block";
			}
	
	}
	
//sub02
function show_sub2(){	
	if(document.getElementById('sub2').className=="active"){
		document.getElementById('sub2').className="deactive";
				document.getElementById('sub_b').style.display="none"
		}
		else{
			document.getElementById('sub2').className="deactive";
			document.getElementById('sub2').className="active";
			document.getElementById('sub_b').style.display="block";
			}
	
	}	
	
//sub sub01
function show_sub_sub1(){	
	if(document.getElementById('sub_sub1').className=="act"){
		document.getElementById('sub_sub1').className="deact";
				document.getElementById('sub_sub_a').style.display="none"
		}
		else{
			document.getElementById('sub_sub1').className="deact";
			document.getElementById('sub_sub1').className="act";
			document.getElementById('sub_sub_a').style.display="block";
			}
	
	}		
	

//sub sub02
function show_sub_sub2(){	
	if(document.getElementById('sub_sub2').className=="act"){
		document.getElementById('sub_sub2').className="deact";
				document.getElementById('sub_sub_b').style.display="none"
		}
		else{
			document.getElementById('sub_sub2').className="deact";
			document.getElementById('sub_sub2').className="act";
			document.getElementById('sub_sub_b').style.display="block";
			}
	
	}