function IsNotInteger (s)
	{
		var pattern = "[^0-9]+";
		var re = new RegExp(pattern);
		return re.test(s);
	}	

function Rif(name)
{
	var myObj;
	if (document.getElementById)
	{
		myObj = document.getElementById(name);
	}
	else if (document.all)
	{
		myObj = document.all[name];	
	}
	else if (document.layers)
	{
		myObj = document.layers[name];
	}	
	
	return myObj
}		

function TestNetscape()
{
	if (navigator.userAgent.toLowerCase().indexOf('netscape') >= 0)
		return true;
	else
		return false;
}