// this function is called by other js files to apply individual CSS files// that will be correct for the browser used// dependant upon learn.js (that holds the code for browser detection)function ApplyCSS(CSSName) {	var platformfolder = "";	var browserfolder = "";		var is = new Is();		if (is.mac) {		platformfolder='mac';	} else if (is.win) {		platformfolder='win';	} else {		platformfolder='win';  // this can be changed later - as this sets 'win' as the default platform (ie for unix etc)	}	if (is.ie) {		browserfolder='ie';	} else if (is.nav) {		browserfolder='ns';	} else {		browserfolder='gen';  // this can be changed later - as this sets 'gen' as the default platform (ie for unix etc)	}//	var CSSCode = '<link rel="stylesheet" type="text/css" href="/style/' + platformfolder + '/' + browserfolder + '/' + CSSName + '.css">';	var CSSCode = '<link rel="stylesheet" type="text/css" href="/style/' + CSSName + '.css">';	document.write(CSSCode);		//this is for debug only - comment out for live!	//window.alert(CSSCode);		}