function fun_login_check()
{
	if(document.getElementById('username').value=="")
	{
		alert("Please Enter User name or email");
		document.getElementById('username').focus();
	} else if(document.getElementById('password').value=="")
	{
		alert("Please Enter password");		
		document.getElementById('password').focus();
	} else
	{
		var obj=document.form_reg;
		obj.action="login_check.php";
		obj.submit();
	}
}