var xmlHttp
function getdata(str,whichone)
{
i=new Array("txtHint",whichone);
i=i.join("_");

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
 
  if(whichone==1)
 {
	//document.getElementById("reg_no_v").value=str;
	var url="get_subcat.php"
	url=url+"?b_id="+str
	url=url+"&sid="+Math.random()
 }
   if(whichone==2)
 {
	//document.getElementById("reg_no_v").value=str;
	var url="get_subcat.php"
	url=url+"?a_id="+str
	url=url+"&sid="+Math.random()
 }

xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET","./include/"+url,true)
xmlHttp.send(null)

}

function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById(i).innerHTML=xmlHttp.responseText 
 } 
 else
 	{
		document.getElementById(i).innerHTML="Loading..........."; 
	}
}
	
	
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;
}		
//end ==========================================================================



//set ajax comboid
function set_value(set_id,v)
{
	
	document.getElementById(v).value=set_id;
}






function validate_search()
{
var submitok=true;
var msg="";
var headermsg="Following errors are containing,Please check the requiring field!......\n";
	var radiobutton1=document.getElementById("radiobutton1").checked;
	var radiobutton2=document.getElementById("radiobutton2").checked;
	var searchtext=document.getElementById("searchtext").value;

	if((radiobutton1==false) && (radiobutton2==false))
		{
		msg+="...please choose Author / Title\n";
		submitok="false";
		}
	if(searchtext=="")
		{
		msg+="...please fill the field \n";
		submitok="false";
		}
	if(msg!="")
		{
		alert(headermsg+msg);
		submitok="false";
		}

	if (submitok=="false")
		{
			return false;
		}
		else
		{
			return true;
		}
	
}