function nothing()
{
	
}


function toggleDivOL( elemID )
{
	var elem = document.getElementById( elemID );
	if( elem.style.position != 'relative' )
	
	{
		elem.style.position = 'relative';
		elem.style.left = '0px';
	}
	else
	{
		elem.style.position = 'absolute';
		elem.style.left = '-4000px';
	}
}




var xmlHttp;

var thespan;

function showPrev(span,id)
{
	
	
	if(document.getElementById(span).innerHTML==""){
		thespan = span;
	
		if (id.length==0)
		  { 
		  document.getElementById(span).innerHTML="";
		  return;
		  }
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
		  {
		  alert ("Your browser does not support AJAX!");
		  return;
		  } 
		var url="/commentprev.php";
		url=url+"?id="+id;


		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
		
	} else{
	document.getElementById(span).innerHTML="";	
	}
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 



document.getElementById(thespan).innerHTML = xmlHttp.responseText;

}
}

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;
}