// Give suggestion to upgrade

function info_release()
	{
	var vers = navigator.appVersion.toLowerCase();
		return vers;
	}
function version_tell()
{
	var vs = info_release();
	var vs_string = new String(vs);
	var release1 = vs_string.indexOf('msie 5.0');
	var release2 = vs_string.indexOf('msie 5.1');
	var release3 = vs_string.indexOf('msie 5.5');
	    if ( (release1 != -1) || (release2 != -1) )
	      {
		alert('Information: You have an early release of Internet Explorer 5.\n\nWe suggest you upgrade.\n\nMany good web pages like this one\ndon\'t display properly with the release you have.')
		  }
	else if ( (release3 != -1) ) {
	  alert('Information:\n\nYou have release 5.5 of Internet Explorer.\nThis is an old release and some pages on this web site will not fully display as a result.\nThere is a newer version (release 7+).\nYou will benefit from upgrading to it.');
	}
}


function info_agent()
	{
	var vers = navigator.userAgent.toLowerCase();
		return vers;
	}

function agent_tell()
{
var ver = info_agent();
var ver_string = new String(ver);
var ver_1 = ver_string.indexOf('opera');
var ver_2 = ver_string.indexOf('safari');
if ( ver_1 != -1)
{
alert('Information:\n\nSome pages on this site may not display fully.\n\nYour Opera browser might have trouble negotiating the technology used.\n\nThe site is most reliably viewed with Netscape, Firefox or IE 7+');
}
else if ( ver_2 != -1)
{
alert('Information:\n\nSome pages on this site may not display fully.\n\nYour Safari browser might have trouble negotiating the technology used.\n\nThe site is most reliably viewed with Netscape, Firefox or IE 7+');
}
}

function browserUpgradeAdvice()
{
  version_tell();
}
browserUpgradeAdvice();