/* Browser sensing *//* Set up boolian variables to record the browser type */var isNS4 = 0;var isNS3 = 0;var isIE4 = 0;var isIE3 = 0;var isOld = 0;// Set up other variablesvar docObj;var styleObj;var topVal;/* Determines the browser name and browser version */var brow = ((navigator.appName) + (parseInt(navigator.appVersion)));/* reassign variable depending on the browser */if (brow == "Netscape4") {isNS4 = 1;}	else if (brow == "Netscape3") 	{isNS3 = 1;}		else if (brow == "Microsoft Internet Explorer4") 		{isIE4 = 1;}			else if (brow == "Microsoft Internet Explorer3") 			{isIE3 = 1;}				else 				{isOld = 1;}				// initalizes our Generic DOM based on the browserif (isNS4||isIE4){	docObj = (isNS4) ? 'document' : 'document.all';	styleObj = (isNS4) ? '' : '.style';	}			