function centra(w,h)
{
	var w=w+10;
	var h=h+29;
	var ns4 = (document.layers)? true:false;
	var ie4 = (document.all)? true:false;

	if(ns4) // Noteskapes
	{
   		window.outerWidth  = w;
   		window.outerHeight = h;
   		var Xcor = (screen.width-window.outerWidth)/2-5;
   		var Ycor = (screen.height-window.outerHeight)/2-14;
   		window.moveTo(Xcor, Ycor);
	}

	else if(ie4) // Explorando
	{
   		var Ycor=(screen.height-h)/2-12;
   		var Xcor=(screen.width-w)/2-5;
   		window.moveTo(Xcor,Ycor);
	}
}

function nomax(w,h)
{
    var w=w+10
    var h=h+29;
    window.resizeTo(w,h);
}