// JavaScript Document
var currentTab = 1;
function showTab(id) {


	EL('id_tab' + currentTab).className = '';


	EL('id_tab' + id).className = 'tab_active';

	currentTab = id;

}

function EL(id) {

	if (document.getElementById)

		return document.getElementById(id);

	else if (document.all)

		return document.all[id];

	else if (document.layers)

		return document.layers[id];

}