//----------------------------------------------------------------------
// browser.js
//----------------------------------------------------------------------
var nav_ns4  = false;
var nav_ns45 = false;
var nav_ns47 = false;
var nav_ns6  = false;
var nav_ie4  = false;
var nav_ie5  = false;
var nav_ie6  = false;
//----------------------------------------------------------------------
if(navigator.appName == "Netscape")
{
	var numVersion = parseFloat(navigator.appVersion.substring(0,navigator.appVersion.indexOf(" ")));
	if(numVersion >= 4.0)
	{
		if(numVersion < 4.5) nav_ns4 = true;
		else if(numVersion < 4.7) nav_ns45 = true;
		else if(numVersion < 5.0) nav_ns47 = true;
		else nav_ns6 = true;
	}
}
else if (navigator.appName.indexOf("Microsoft") >= 0)
{
	var cadVersion = navigator.appVersion.substring(navigator.appVersion.indexOf("MSIE")+5);
	var numVersion = parseFloat(cadVersion.substring(0,cadVersion.indexOf(";")));
	if(numVersion >= 4.0)
	{
		if(numVersion < 5.0) nav_ie4 = true;
		else if(numVersion < 6.0) nav_ie5 = true;
		else nav_ie6 = true;
	}
}
//----------------------------------------------------------------------
// Questions ?
//----------------------------------------------------------------------
function esNetscape4() { return (nav_ns4); }
function esNetscape45() { return (nav_ns45); }
function esNetscape47() { return (nav_ns47); }
function esNetscape6() { return (nav_ns6); }
function esNetscape4_45() { return (nav_ns4 || nav_ns45); }
function esNetscape4_45_47() { return (nav_ns4 || nav_ns45 || nav_ns47); }
function esNetscape4x() { return (nav_ns4 || nav_ns45 || nav_ns47); }
function esNetscape() { return (nav_ns4 || nav_ns45 || nav_ns47 || nav_ns6); }
function esExplorer4() { return (nav_ie4); }
function esExplorer5() { return (nav_ie5); }
function esExplorer6() { return (nav_ie6); }
function esExplorer() { return (nav_ie4 || nav_ie5 || nav_ie6); }
//----------------------------------------------------------------------