function goLogin(){
	var reEmail = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	
	if(document.frmLogin.username.value.trim() == '') {
		document.getElementById('msg_div_login').style.display = 'inline';
		document.getElementById('msg_div_login').innerHTML = '<font color=red>Please enter Username</font>';
		return false;
	}
	
	if(!ValidateEMail(document.frmLogin.username.value)) {
		document.getElementById('msg_div_login').style.display = 'inline';
		document.getElementById('msg_div_login').innerHTML = '<font color=red>Please enter Valid Username</font>';
		return false;
	}
	
	if(document.frmLogin.user_password.value == '') {
		document.getElementById('msg_div_login').style.display = 'inline';
		document.getElementById('msg_div_login').innerHTML = '<font color=red>Please enter Password</font>';
		return false;
	}
	
	var pars = 'username='+ URLEncode($F('username')) + '&password=' + URLEncode($F('user_password'));
	var url = 'login.php?event=auth';
	var myAjax = new Ajax.Request(
	url, 
	{
		method: 'POST',
		parameters: pars,
		onComplete: getLogin_resp
	});
		
}
	
function getLogin_resp(req) {
	if(req.readyState == 4){
		result = req.responseText;
		result = result.trim();
		res_arr = result.split('|');
		if(res_arr[0] == 1) {
			window.location.href='member.php?event=home';
			return false;
		} else if(res_arr[0] == 0) { 
			document.getElementById('msg_div_login').style.display = 'inline';
			document.getElementById('msg_div_login').innerHTML = '<font color=red>'+res_arr[1] +'</font>';
			return false;	
		} 
	}
}