function changeLang(lang)	{
		createCookie('lang',lang,5);
		if (document.forms['test_frm']) {
			if (document.forms['test_frm'].elements['next']) {
				if (document.forms['test_frm'].elements['next'].value==1) {
					document.forms['test_frm'].submit();
				} else	{
					document.location.load();
				}
			} else {
				document.location.load();
			}
		} else {
			document.location.load();
		}
	}

	function checkEmail() {
		var objRegExp  =/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
		if(objRegExp.test(document.getElementById("email_address").value)==false)
		{
			alert('Please enter your valid email address');
			return false;
		}
	}

	function submit_login(form_name) 	{
		if (document.forms[form_name].elements["username"].value == "" ) {
				alert('Please provide your username');
				document.forms[form_name].elements["username"].focus();
				return false;
		}else if (document.forms[form_name].password.value == "") {
			alert('Please provide your password');
			document.forms[form_name].password.focus();
			return false;
		}else {
			return true;
		}
	}
	function startTime() {
		var today=new Date();
		var ddd = today.getTime();
		var dif = parseInt((ddd - time)/1000);
		
		var difh = parseInt(dif/3600);
		var difm = parseInt((dif - difh*3600)/60);
		var difs = (dif - difh*3600 - difm*60);
		
		var h = difh;
		var m = difm;
		var s = parseInt(difs);
		
		m = parseInt(difm%60);
		s = parseInt(difs%60);
		
		/*var h=today.getHours();
		var m=today.getMinutes();
		var s=today.getSeconds();*/
		
		/*var h=0;
		var m=0;
		var s=0;*/
		
		// add a zero in front of numbers<10
		h=checkTime(h);
		m=checkTime(m);
		s=checkTime(s);
		document.getElementById('time').innerHTML=h+" : "+m+" : "+s;
		if (document.getElementById('hidden_time')) {
			//alert(dif/1000)
			document.forms["test_frm"].hidden_time.value=dif;
		}
		t=setTimeout('startTime()',500);
	}

	function endTime() { clearTimeout(t); resetTime(); }

	function checkTime(i) { if (i<10) i="0" + i; return i; }