function SubmitForm()
{ 

	var mFlag = true;
	if (mFlag && !ValidateEmpty(document.Form1.txt_username) )
	{ 
	    mFlag = false;
	}
	if (mFlag && !ValidateEmpty(document.Form1.txt_password) )
	{ 
	    mFlag = false;
	}

	return mFlag;
}


function empty_textbox(txtbox)
{
    var value;
	value = txtbox.value;
	txtbox.value = '';
	return true;
}