function makeactive(inID){
	inID.style.backgroundImage = 'none';
}

function makeinactive(inID, inWhich){
	if (inID.value == null || inID.value == ''){
		if (inWhich == 'login'){
			inID.style.backgroundImage = "url('/images/login_bg.jpg')";
		} else {
			inID.style.backgroundImage = "url('/images/password_bg.jpg')";
		}
	}
}

function fill_bg(){
	var $login_txt = document.getElementById('login_textbox');
	var $pass_txt = document.getElementById('password_textbox');
	makeinactive($login_txt, 'login');
	makeinactive($pass_txt, 'password');
}

function intro(val){
	var obj = document.getElementById('intro');
	if (val) {
		obj.style.borderColor = '#000';
	} else {
		obj.style.borderColor = '#c0c0c0';
	}
}

function Page_HideShowAuth(vis) {
	if (document.getElementById) {
		var auth  = document.getElementById('auth');
		var blur  = document.getElementById('blur');
		var intro = document.getElementById('intro_video');
		
		if (vis) {
			auth.style.display='';
			blur.style.display='';
			intro.innerHTML = '<iframe src="/sample_clip.php?vid=vid/oc_intro.flv" frameborder="0" width="490" height="375" scrolling="no"></iframe>';
		} else {
			auth.style.display='none';
			blur.style.display='none';
			intro.innerHTML = '';
		}	
			
		return false;
	} else {
		return true;
	}
}