function GetXmlHttpObject()
{ 
	var objXMLHttp1=null

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

function exibepg(pg)
{
	
	
	xmlHttp1=GetXmlHttpObject()
	if (xmlHttp1==null)
	{
		alert ("Sem suporte a HTTP Request")
		return
	} 
	var url=pg+"?rand="+new Date().getTime()+"&"+Math.random();
	xmlHttp1.onreadystatechange=stateChanged
	xmlHttp1.open("GET",url,true)
	xmlHttp1.send(null)
}

function stateChanged() 
{ 
	
    if (xmlHttp1.readyState == 4) 
	{
      
        	if (xmlHttp1.status == 200) 
			{
              	document.getElementById('ajdiv').innerHTML = xmlHttp1.responseText;
			}
			
			else 
			{
            	alert("Houve um problema ao obter os dados:\n" + xmlHttp1.statusText);
       		}
    }
	else
	{
		document.getElementById('ajdiv').innerHTML='<p align="center"><br><br><br><br><br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="js/loader.gif"></p>';
	}		
}