function confirmlogin()
{
	var condition=true;

	if(document.login_form.login_username.value.length==0)
	{
		alert("Please enter your username.");
		if(condition==true)
		{
			document.login_form.login_username.focus();
		}
		condition=false;
		return false;
	}
	if(document.login_form.login_pass.value.length==0)
	{
		alert("Please enter password.");
		if(condition==true)
		{
			document.login_form.login_pass.focus();
		}
		condition=false;
		return false;
	}
}