function glow_effect(func_action,this_id)
{
	if(func_action == "show")
	{
		document.getElementById(this_id).style.backgroundImage = "url(images/glowing_1.gif)";
	}
	
	if(func_action == "hide")
	{
		document.getElementById(this_id).style.backgroundImage = "none";
	}
}