// JavaScript Document
 function show(num){
 	var lis = document.getElementById('HomeH2').getElementsByTagName('a');
	for(i=0;i<lis.length;i++){
		lis[i].className = '';
		document.getElementById('H2Con'+(i+1)).style.display = 'none';
	}
	document.getElementById('h2tit'+num).className = 'current';
	document.getElementById('H2Con'+num).style.display = 'block';
 }