function get_random()
{
    var ranNum= Math.round(Math.random()*1);
	var minumero= ranNum + 1;
    return minumero;
}

function launch(url,w,h,myscroll)
{	
	
	var posw = ((screen.width - w) / 2);
	var posh = ((screen.height - h) / 2); 

	if (navigator.appName.indexOf("Microsoft")>=0)
		{c = ', left='+posw+', top='+posh;}
	else
		{c = ', screenX='+posw+', screenY='+posh;}

	mysettings = 'toolbar=no,location=no,directories=no,menubar=no,scrollbars='+myscroll+',resizable=no,status=no,width='+w+',height='+h+c;
	
	open(url,"window", mysettings)
}

function show_alert(msg) 
{ 
	alert(msg); 
}

function send_form() 
{ 
	document.loginForm.submit();
}