function abrePop(pagina){
	popWindow = window.open(pagina,'nomeJanela','width=490,height=450,top=0,left=0,scrollbars=yes,resizable=no');
	popWindow.focus()
	if(popWindow && !popWindow.closed){
		popWindow.location.reload(true); 
		popWindow.focus();
	} 

}