// Abre um POPUP no centro da pagina
function POP_CENTER(local,w,h,scrollbar,status_bar,resizable){
	instancia	=	'POP_'+w+'_'+h+'_'+scrollbar+'_'+status_bar+'_'+resizable+'_';
	largura		=	screen.width;
	altura		=	screen.height;
	XX			=	(largura-w)/2;
	YY			=	(altura-h)/2;
	janela		=	window.open(local,'POP_'+instancia,'width='+w+',height='+h+',left='+XX+',top='+YY+',scrollbars='+scrollbar+',status='+status_bar+',resizable='+resizable+', toolbar=no,directories=no,menubar=no');
	janela.focus();
}