var NN4 = document.layers? true : false;
var IE4 = document.all? true :false;

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
// -->
function vai_para(targ,selObj,restore){ 
        destino=selObj.options[selObj.selectedIndex].value;
	if(destino!=""){
	       eval(targ+".location='"+destino+"'");
  	       if (restore) selObj.selectedIndex=0;
  }
}

function vai_para_arquivos(targ,selObj,restore){ 
        destino=selObj.options[selObj.selectedIndex].value;
	var re = /mostra\.py/;
	if(destino!=""){
	       	if(re.test(document.URL))
			eval(targ+".location='mostra.py?doc="+destino+"'");
  	       	else
			eval(targ+".location='mostraalpha.py?doc="+destino+"'");
		
		if (restore) selObj.selectedIndex=0;
  }
}