function jsf_hide001(show_div001, hide_div002, hide_div003) {

	var obj001 = document.getElementById(show_div001);
	obj001.style.display = "block";
	
	var obj002 = document.getElementById(hide_div002);
	obj002.style.display = "none";
	
	var obj003 = document.getElementById(hide_div003);
	obj003.style.display = "none";
	
}

function jsf_sel_hide002(){
	var jso_lang01= document.getElementById("sel_lang01");
	if(jso_lang01.selectedIndex == 1){
		jsf_hide001('pl','en','zh');
	}
	else if(jso_lang01.selectedIndex == 2){
		jsf_hide001('zh','pl','en');
	}
	else{
		jsf_hide001('en','pl','zh');
	}	
}