var isIE, isIE4, isNav4, isGecko, isMac 	// browser ID booleans for browser specific code branching
var dotall = "" 			// set to browser specific layer syntax, part of mini-api for cross browser layers
var getel = ""				// set to browser specific layer syntax, part of mini-api for cross browser layers
var dotstyle = ""			// set to browser specific layer syntax, part of mini-api for cross browser layers
var getcls = ""				// set to browser specific layer syntax, part of mini-api for cross browser layers

// Browser sniffing and mini-api initialization
isMac = navigator.platform.indexOf('Mac') != -1 ? true : false;
if(document.all){			
	isIE = true
	dotall = "all."
	dotstyle = ".style"
	isIE4 = navigator.appVersion.indexOf('MSIE 4') != -1 ? true : false;
} else if(document.layers){
	isNav4 = true
} else if(document.getElementById){
	isGecko = true
	getel = "getElementById(\""
	dotstyle = "\").style"
	getcls = "\")"
}

if(isNav4){
	alert("This web site no longer supports Netscape 4 or below.\n Please upgrade your web browser.");
}