var xmlHttpfunction test(str,xpto,ch){ xmlHttp=GetXmlHttpObject()if (xmlHttp==null) { alert ("Browser does not support HTTP Request") return }var url="gettype.php"url=url+"?q="+str+"&a="+xpto+"&r="+ch;url=url+"&sid="+Math.random()xmlHttp.onreadystatechange=actxmlHttp.open("GET",url,true)xmlHttp.send(null)}function act() { if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {  document.getElementById("txtHint").innerHTML=xmlHttp.responseText  } }function GetXmlHttpObject(){var xmlHttp=null;try { // Firefox, Opera 8.0+, Safari xmlHttp=new XMLHttpRequest(); }catch (e) { //Internet Explorer try  {  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");  } catch (e)  {  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");  } }return xmlHttp;}