var xmlHttp;
var showcomments = 0;
var commentsText;
var commentSwitch;

function postcomments(guid)
{
	//document.write("sadfsdafsdaf");
	var url="postcomment.php";
	url=url+"?guid="+guid;
	url=url+"&name="+document.newcomment.name.value;
	url=url+"&email="+document.newcomment.email.value;
	url=url+"&url="+document.newcomment.url.value;
	url=url+"&commentfield="+document.newcomment.commentfield.value;
	url=url+"&sid="+Math.random();
	//document.getElementById(commentsText).innerHTML=url;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);	

}

function toggleComments(str)
{
	text = str;
	commentsText = str + "commentsText"; 
	commentSwitch = str + "commentSwitch";

	if(showcomments === 0)
	{
		document.getElementById(commentSwitch).innerHTML='Hide Comments';
		xmlHttp=GetXmlHttpObject();
		showcomments = 1;
		if (xmlHttp===null)
		{
			alert ("Browser does not support HTTP Request");
			return;
		} 
	var url="displaycomments.php";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	}
	else
	{
		document.getElementById(commentSwitch).innerHTML='Show Comments';
		document.getElementById(commentsText).innerHTML='';	
		showcomments = 0;
	}


} 


function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById(commentsText).innerHTML=xmlHttp.responseText;
	} 
}


// compatibility stuff for browsers
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;
}