var xmlHttp

function artistHint(str) {
       if (str.length==0) {
               document.getElementById("hint").innerHTML=""
               return
       }
       xmlHttp=GetXmlHttpObject()
       if (xmlHttp==null) {
               alert ("Browser does not support HTTP Request")
               return
       }
       var url="./scripts/getHint.php"
       url=url+"?q="+encodeURI(str);
       url=url+"&rnd="+Math.random()
       xmlHttp.onreadystatechange=stateArtistChanged
       xmlHttp.open("GET",url,true)
       xmlHttp.send(null)
}

function stateArtistChanged()  {
       if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
               document.getElementById("vysl").style.display="block";
               document.getElementById("vysl").innerHTML=xmlHttp.responseText
               
       }
}
function closeVysl() {
          document.getElementById("vysl").style.display="none";
}

function outOfAjax() {
          //alert ("ahoj");
          document.getElementById("vysl_find").style.display="none";
}

function GetXmlHttpObject() {
       var objXMLHttp=null
       if (window.XMLHttpRequest) {
               objXMLHttp=new XMLHttpRequest()
       }
       else if (window.ActiveXObject) {
       objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
       }
       return objXMLHttp
}