// JavaScript Document

	function browserDetection(url)
	{
		var name = navigator.userAgent.toLowerCase();
		var vers = navigator.appVersion;
		var navegador; 
		var position; 
		var version;
		
		var oldBrowser = false;
		
		//Detectamos el navegador
		if (name.indexOf('msie') != -1)
		{
			navegador = 'Microsoft Explorer';
			var position = name.indexOf('msie') + 5;
			version = name.substr(position, 3);
		}
		else if(name.indexOf('opera')!=-1)
		{
			navegador = 'opera';
			position = name.indexOf('opera') + 6;
			version = name.substr(position, 3);
		}
		else if(name.indexOf('firefox')!=-1)
		{
			navegador = 'firefox';
			position = name.indexOf('firefox') + 8;
			version = name.substr(position, 3);
			
			var part1 = name.substr(position + 2, 1);
			var part2 = name.substr(position + 4, 1);
		}
		else if(name.indexOf('safari') != -1)
		{
			//oldBrowser = true;
		}
		else
		{
			navegador = 'nestcape';
			version = vers;
		}
		
		//Combrobamos si el navegador es válido
		if(parseInt(version) < parseInt(6.0) &&  navegador == 'Microsoft Explorer')
		{
			oldBrowser = true;
		}
		else if(parseInt(version) == parseInt(1.0) && parseInt(part1) == parseInt(0) && parseInt(part2) < parseInt(3) && navegador == 'firefox')
		{
			oldBrowser = true;
		}
		else if(parseInt(version)<parseInt(7.0) && navegador=='opera')
		{
			oldBrowser = true;
		}
		else if(parseInt(version)<parseInt(5.0) && navegador=='nestcape')
		{
			oldBrowser = true;
		}
		
		//Si el navegador no es valido redireccionamos
		if(oldBrowser == true)
		{
			window.location = url;	
		}
	}