var xmlHttp
var b = "";
function checkEnter(e){ //e is event object passed from function invocation
var characterCode //literal character code will be stored in this variable

if(e && e.which){ //if which property of event object is supported (NN4)
e = e
characterCode = e.which //character code is contained in NN4's which property
}
else{
e = event
characterCode = e.keyCode //character code is contained in IE's keyCode property
}
if(characterCode == 13){ //if character code is equal to ascii 13 (if enter key)
mystring = document.getElementById("Text1").value;
showResult(mystring);
return false //return false to the event handler
}
else{
return true //return true to the event handler
}
}

function showMenu(target){

if(document.getElementById(target).style.display==""){

	document.getElementById(target).style.display="none";
	document.getElementById(target).parentNode.id="locate";
	}else{
	document.getElementById(target).style.display="";
	document.getElementById(target).parentNode.id="expanded";
	}

}
function writeBook(strPage){
	
xmlHttp=GetXmlHttpObject()

if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url = "writeBook.php"
url=url+"?P="+strPage
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=bookChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function clearAll(){
 document.getElementById("Text1").value="";
 document.getElementById("liveSearch").
 innerHTML="";
 document.getElementById("liveSearch").
 style.border="0px";
 document.getElementById('liveSearch').style.display="none";
 return	
	
}
function showResult(str)
{
if (str.length<2)
 { 
clearAll();
 return
 }

xmlHttp=GetXmlHttpObject()

if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
//setCookie('srch_term', str, 14);//set cookie
//var url="liveSearch.aspx"
var url = "livesearch.php"
url=url+"?searchTerm="+str
url=url+"&sid="+Math.random()
document.getElementById('loading').style.display="";
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function bookChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById('writeBook').innerHTML=xmlHttp.responseText;

 } 
}
function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById('liveSearch').innerHTML=xmlHttp.responseText;
 document.getElementById('loading').style.display="none";
 document.getElementById('liveSearch').style.display="";
 document.getElementById('liveSearch').style.border="none";
 } 
}

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;
}