// JavaScript Document

function popup(janela, width, height, scrolls, comp_janela)
{		
	
	var direita = (screen.width) ? ((screen.width - width) / 2) : 0;
	var topo = (screen.height) ? ((screen.height - height) / 2) : 0;
	
	window.open(janela, 'janela_'+comp_janela, 'menubar=no, scrollbars='+scrolls+', resizable=no, width='+width+', height='+height+', top='+topo+', left='+direita+'');
	
}