var xmlHttp
var loadstatustext="<img src='images/loading.gif' /> Requesting content..."

function showHint(str)
{ 
	if (str.length > 0)
	{ 
		document.getElementById('txtHint').innerHTML=loadstatustext
		var url="gethint.php?sid=" + Math.random() + "&q=" + str
		xmlHttp=GetXmlHttpObject(stateChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		document.getElementById("txtHint").innerHTML=""
	} 
} 

function showCompHint(str)
{ 
	if (str.length > 0)
	{ 
		document.getElementById('txtHint2').innerHTML=loadstatustext
		var url="getCompletedHint.php?sid=" + Math.random() + "&q=" + str
		xmlHttp=GetXmlHttpObject(stateCompChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		document.getElementById("txtHint2").innerHTML=""
	} 
} 

function showDropHint(str)
{ 
	if (str.length > 0)
	{ 
		document.getElementById('txtHint3').innerHTML=loadstatustext
		var url="getDroppedHint.php?sid=" + Math.random() + "&q=" + str
		xmlHttp=GetXmlHttpObject(stateDropChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		document.getElementById("txtHint3").innerHTML=""
	} 
} 


function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
	} 
}

function stateCompChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("txtHint2").innerHTML=xmlHttp.responseText 
	} 
}  

function stateDropChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("txtHint3").innerHTML=xmlHttp.responseText 
	} 
}

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		alert("This example doesn't work in Opera") 
		return 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0)
	{ 
		var strName="Msxml2.XMLHTTP"
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
		{
			strName="Microsoft.XMLHTTP"
		} 
		try
		{ 
			objXmlHttp=new ActiveXObject(strName)
			objXmlHttp.onreadystatechange=handler 
			return objXmlHttp
		} 
		catch(e)
		{ 
			alert("Error. Scripting for ActiveX might be disabled") 
			return 
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0)
	{
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
}