Count # of CSS Statements

Count # of CSS Statements

function ajaxCall(url_server,requ,callback,auxproc,errproc){
	const xhr=new XMLHttpRequest();
	xhr.open("POST",url_server,true);
	xhr.setRequestHeader("Content-Type",
		"application/x-www-form-urlencoded; charset=UTF-8");
	xhr.addEventListener("load",function(){
		if (xhr.status==200){
			let str=xhr.responseText;
			const sig="[!json!]";
			const pos=str.indexOf(sig);
			if(pos!=-1){
				if(pos>0){
					const pretext=
						"==>"+
						str.substr(0,pos)+
						"<==\n"+
						"(length="+pos+")";
					if(errproc){errproc("SBL",pretext);}
				}
				str=str.substr(pos+sig.length);
				const resp=JSON.parse(str);
				if (resp.result=="OK"){
					if(callback){callback(resp);}
				}else{
					if(errproc){errproc("NOR",resp.result);}
				}
			}else{
				if(errproc){errproc("SMS",str);}
			}
		}else{
			let s="";
			s+="status:"+xhr.status+"\n";
			s+="statusText:"+xhr.statusText;
			if(errproc){errproc("N2H",s);}
		}
	});
	if(auxproc){auxproc(xhr);}
	xhr.send("requ="+encodeURIComponent(JSON.stringify(requ)));
	return xhr;
};