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;
}

function stateChanged() 
{
	document.getElementById("Submit").disabled=true;
//	document.getElementById("companylist").innerHTML="";
	if (xmlHttp.readyState==4)
	{
		if (xmlHttp.responseText==="false") 
			document.getElementById("Submit").disabled=false;
		else if (xmlHttp.responseText!=="false" && xmlHttp.responseText!=="true")
		{			
//test			alert(xmlHttp.responseText);
			document.getElementById("companylist").innerHTML=xmlHttp.responseText;
		}
		else {
			document.getElementById("Submit").disabled=true;
//test		document.getElementById("companylist").innerHTML=xmlHttp.responseText;
			
		}
	}
}

function showHint(sc, cpn)
{
	var format="0000";
	
	if (sc.length+cpn.length ==0)
	{
	  	document.getElementById("Submit").disabled=true;
	 	return;
	}
	
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
	  alert ("Please use Internet Explorer for best view.");
	  return;
	}
	
		var surl="finder.php";
		
		sc=format.substr(0, format.length-sc.length)+sc;		
		surl=surl+"?scode="+sc;
		surl=surl+"&cpn="+cpn;
		surl=surl+"&sid="+Math.random();

		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("GET",surl,true);
		xmlHttp.send(null);

}

function retrieve(code)
{
	document.getElementById("stockcode").value=code;
	document.getElementById("Submit").disabled=false;
}

function clearall()
{
	document.getElementById("companylist").innerHTML="";
	document.getElementById("companylist").innerTEXT="";
	document.form1.stockcode.value="";
	document.form1.companyname.value="";
	
}

function init()
{
	document.getElementById("Submit").disabled=true;
}