// JavaScript Document
var xmlHttp1

function showContent(str)
{ 
	xmlHttp1=GetXmlHttpObject1()
	if (xmlHttp1==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url="getContent.php"
	url=url+"?page="+str
	url=url+"&sid="+Math.random()
	xmlHttp1.onreadystatechange=stateChanged1 
	xmlHttp1.open("GET",url,true)
	xmlHttp1.send(null)
}



function stateChanged1() 
{ 
	if (xmlHttp1.readyState==4 || xmlHttp1.readyState=="complete")
	{ 
		document.getElementById("main_body").innerHTML=xmlHttp1.responseText 
	} 
} 

function GetXmlHttpObject1()
{ 
	var objXMLHttp1=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp1=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp1=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp1
}