// tab JavaScript
function tabfunc() {
	tab.setup = {
		tabs: document.getElementById('tab').getElementsByTagName('a'),

		pages: [
			document.getElementById('tab1'),
			document.getElementById('tab2')
		]
	}
	tab.init();
}

var tab = {
	init: function() {
		var tabs = this.setup.tabs;
		var pages = this.setup.pages;

		for (i = 0; i < pages.length; i++) {
			//if (i !== 0) { pages[i].style.display = 'none'; }
			if (tabs[i] !== undefined) { tabs[i].onclick = function() { tab.showpage(this); return false; };}
		}
		this.dive();
	},

	showpage: function(obj) {
		var tabs = this.setup.tabs;
		var pages = this.setup.pages;
		var num;

		for (num = 0; num < tabs.length; num++) {
			if (tabs[num] === obj) { break; }
		}

		for (var i = 0; i < pages.length; i++) {
			if (i == num) {
				pages[num].style.display = 'block';
				tabs[num].className = 'selected';
			} else {
				pages[i].style.display = 'none';
				tabs[i].className = null;
			}
		}
	},

	dive: function() {
		var hash = window.location.hash;
		hash = hash.split("?");
		hash = hash[0].split("#");

		var tabs = this.setup.tabs;
		var pages = this.setup.pages;
		for (i = 0; i < pages.length; i++) {
			if (pages[i] == document.getElementById(hash[1])) { this.showpage(tabs[i]); }
		}
	}
}

addOnloadHandle("tabfunc();");