function browser()
{
var name_des_browsers;
var browser_userAgent;

name_des_browsers=navigator.appName;
browser_userAgent=navigator.userAgent;

if (name_des_browsers=="Microsoft Internet Explorer")
	{
				window.location.replace ("start_explorer.htm");
	}
	else
	{
	if (browser_userAgent.indexOf ("Safari") >-1)
		{
			window.location.replace ("start_safari.htm");
		}
		else
		{
		window.location.replace ("start_netscape.htm");
		}
	}
}