function t_tab(i){
	if(i==1){
		document.getElementById("t_tab01").style.display = "none";
		document.getElementById("t_tab02").style.display = "block";
	}else if(i==2){
		document.getElementById("t_tab01").style.display = "block";
		document.getElementById("t_tab02").style.display = "none";
	}
}