// deschide un popup centrat in pagina, de dimensiuni variabile
	function js_Deschide_popup(target, parametri, titlu, latime, inaltime) 
	{	
		var stanga 	= (screen.width/2) - (latime/2);
		var sus 	= (screen.height/2) - (inaltime/2);
		
		window.open(target + '?' + parametri, titlu, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width='+latime+', height='+inaltime+', top='+sus+', left='+stanga);
	}