function ajaxFunction(command,value){
       var ajaxRequest = null;
       if (typeof XMLHttpRequest != 'undefined') {
           ajaxRequest = new XMLHttpRequest();
       } else {
           var ms = ['Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.4.0', 'Msxml2.XMLHTTP.3.0', 'Msxml2.XMLHTTP', 'Microsoft.XMLHTTP'];
           for (var i in ms) {
               try {
                   ajaxRequest = ActiveXObject(ms[i]);
                   break;
               } catch(e) {
               }
           }
       }
       if (!ajaxRequest) {
          alert("Din browser kan inte hantera AJAX!");
          return false;
       }

       ajaxRequest.onreadystatechange = function(){
         if(ajaxRequest.readyState == 4){
           if(ajaxRequest.status == 200){
               alert(unescape(decodeURI(ajaxRequest.responseText)));
           } else alert("Ett fel inträffade\nFörsök igen\nAjax status="+ajaxRequest.status);
         }
       }
       ajaxRequest.open("GET", "bildspel/serverAjax.php?"+command+"=true&value="+value, true);
       ajaxRequest.send(null);
}