function show_popup(id,show) {
	var pop = document.getElementById(id);
	var mo  = document.getElementById('mainout');
	if(show) {
		pop.style.display='block';
		mo.style.opacity='0.2';
		mo.style.filter='alpha(opacity=20)';
		//pop.style.opacity='1.0';
		//pop.style.filter='alpha(opacity=100)';
	} else {
		pop.style.display='none';
		mo.style.opacity='1.0';
		mo.style.filter='';
	}
}