// JavaScript Document
function changetab(obj){
	if(obj == 'js_1'){
		document.getElementById("js_vietcom").style.display = "block";
		document.getElementById("js_1").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_vietcom").style.display = "none";
		document.getElementById("js_1").className = 'none';
		document.getElementById("js_def").style.display = "none";
	}
	if(obj == 'js_2'){
		document.getElementById("js_agr").style.display = "block";
		document.getElementById("js_2").className = 'active_js';
	}
	else
	{
		document.getElementById("js_agr").style.display = "none";
		document.getElementById("js_2").className = 'none';
	}
	if(obj == 'js_3'){
		document.getElementById("js_donga").style.display = "block";
		document.getElementById("js_3").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_donga").style.display = "none";
		document.getElementById("js_3").className = 'none';
	}
	if(obj == 'js_4'){
		document.getElementById("js_techc").style.display = "block";
		document.getElementById("js_4").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_techc").style.display = "none";
		document.getElementById("js_4").className = 'none';
	}
	if(obj == 'js_5'){
		document.getElementById("js_sacom").style.display = "block";
		document.getElementById("js_5").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_sacom").style.display = "none";
		document.getElementById("js_5").className = 'none';
	}
	if(obj == 'js_6'){
		document.getElementById("js_acb").style.display = "block";
		document.getElementById("js_6").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_acb").style.display = "none";
		document.getElementById("js_6").className = 'none';
	}
	if(obj == 'js_7'){
		document.getElementById("js_exi").style.display = "block";
		document.getElementById("js_7").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_exi").style.display = "none";
		document.getElementById("js_7").className = 'none';
	}
	if(obj == 'js_8'){
		document.getElementById("js_bid").style.display = "block";
		document.getElementById("js_8").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_bid").style.display = "none";
		document.getElementById("js_8").className = 'none';
	}
	if(obj == 'js_9'){
		document.getElementById("js_vpb").style.display = "block";
		document.getElementById("js_9").className = 'active_js';
		document.getElementById("js_def").style.display = "none";
	}
	else
	{
		document.getElementById("js_vpb").style.display = "none";
		document.getElementById("js_9").className = 'none';
	}
}