var xmlHttp

function showImage() {
		mystr = document.getElementById("txtHint").innerHTML;
		//alert(mystr);
	//return;
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="getimage.php";
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 


function showHint(str) {
	if (str.length==0) { 
		document.getElementById("txtHint").innerHTML="";
		return;
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="gethint.asp";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 

function stateChanged() { 
	if (xmlHttp.readyState == 4) { 
		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;
}