function createRequestObject(){
	var request_;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_ = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_ = new XMLHttpRequest();
	}
	return request_;
}

	var http = new Array();

	function checkname(naam){
		var fout;
		if(naam.length < 4){
			fout="Gebruikersnaam is te kort";
		}else if(naam.length > 15){
			fout="Gebruikersnaam is te lang";
		}else{
			var curDateTime = new Date();
http[curDateTime] = createRequestObject();

http[curDateTime].open('get', 'http://www.pokerinside.nl/checknaam.php?username='+naam);
		
http[curDateTime].onreadystatechange = function(){
	if (http[curDateTime].readyState == 4){
			if (http[curDateTime].status == 200 || http[curDateTime].status == 304){
				var response = http[curDateTime].responseText;
				if(response=="ok"){
					document.getElementById('checknaam').innerHTML='';
				}else{
					document.getElementById('checknaam').innerHTML=response;
				}
			}
		}
}
http[curDateTime].send(null);
}
		if(fout){
			document.getElementById('checknaam').innerHTML=fout;
		}
	}