function iz_counter(userid){
var refer=document.referrer;
var scrn=screen.width+'x'+screen.height+'x'+screen.colorDepth;
var navi=navigator.userAgent;
var _site=location;
var _wh=document;
var url='http://webpartner.izm.iz.se/counter/?uid='+userid+'&url='+_site+'&ref='+escape(refer)+'&scr='+scrn+'&usr='+navi;
document.write('<img src="'+url+'" border="0" alt="iZ Counter">');
}