<!--// Start version control
	var browserName = navigator.appName;
	var browserVer = parseFloat(navigator.appVersion);
	var browserMac = navigator.appVersion.indexOf("Macintosh");  
	var browserWin = navigator.appVersion.indexOf("Win");  
	var version = "ack";  
 
	if (browserName == "Netscape"  
		&& browserVer >= 3) version = "n3";  
	if (browserName == "Netscape"  
		&& browserVer >= 4) version = "n4";  
	if (browserName == "Microsoft Internet Explorer"  
		&& browserVer >= 3.01  
		&& browserMac != -1) version = "ie3m";   
  	if (browserName == "Microsoft Internet Explorer"  
		&& browserVer >= 4) version = "ie4";  
    var libOk = (version == "n4"
		|| version == "ie4") ? true : false;
 	var rollOk = (version == "n3"
		|| version == "n4"
		|| version == "ie3m"
		|| version == "ie4") ? true : false;
 	var ImgButtonOk = (version == "ie4") ? true : false;  
// End version control  -->