var xmlHttp
var nd
var ava
var exp_1
var pa
function showHint(page,str,nd_temp,ava_temp,exp_temp,pa_temp)
{
if (str.length==0)
{ 
return;
}
var trang;
if(exp_temp!="go")
{
	trang=parseInt(document.getElementById(ava_temp).innerHTML);
	if(exp_temp!="cong")
	{
		if(exp_temp!="tru")
		{
				return;
		}
		else
		{
		if(trang>=2)
		trang=trang-1;
		else
		return;
		}
	}
	else
	{
		trang=trang+1;
	}

}
else
{
	trang = pa_temp;
}


xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request");
return;
} 
pa = pa_temp;
nd=nd_temp;
var url=page;
ava = ava_temp;
exp_1 = exp_temp;
url=url+"?"+str;
url=url+"&page="+trang;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
if(xmlHttp.responseText!='')
{
document.getElementById(nd).innerHTML=xmlHttp.responseText ;
		var trang1;
		if(exp_1!="go")
		{
		trang1=parseInt(document.getElementById(ava).innerHTML);
		if(exp_1=="cong")
		trang1=trang1+1;
		if(exp_1=="tru")
		trang1=trang1-1;
		}
		else
		{
		trang1=pa;
		}
		document.getElementById(ava).innerHTML=trang1;
}

}
} 

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