xmlhttp=null
// code for Mozilla, etc.
if (window.XMLHttpRequest)
{
	xmlhttp=new XMLHttpRequest()
}
// code for IE
else if (window.ActiveXObject)
{
	xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
}

function get_edit(pid)
{
	if(xmlhttp)
	{ 
 		xmlhttp.open("GET", "xmlhttp.php?action=postEdit&pid="+pid, true);
  		xmlhttp.onreadystatechange= function()
  		{
  			if(xmlhttp.readyState==4)
 			{
				if(xmlhttp.responseText != "none")
				{
					document.getElementById("postEdit"+pid).style.visibility = "visible";
					document.getElementById("postEdit"+pid).style.display = "block";
					document.getElementById("elink"+pid).style.visibility = "visible";
					document.getElementById("elink"+pid).style.display = "block";
					document.getElementById("elink"+pid).innerHTML = "<br /><strong>[</strong><a href=\"javascript:hide_edit('"+pid+"');\"/>Hide History</a><strong>]</strong>";
  					document.getElementById("postEdit"+pid).innerHTML = xmlhttp.responseText;
				}
				else
				{
					document.getElementById("postEdit"+pid).style.visibility = "hidden";
					document.getElementById("postEdit"+pid).style.display = "none";
					document.getElementById("elink"+pid).innerHTML = "";
				}
			}	
 		}
		xmlhttp.send(null)
 	}
}
function hide_edit(code)
{
	document.getElementById("postEdit"+code).style.visibility = "hidden";
	document.getElementById("postEdit"+code).style.display = "none";
	document.getElementById("elink"+code).innerHTML = "<br /><strong>[</strong><a href=\"javascript:show_edit('"+code+"');\"/>Show History</a><strong>]</strong>";
}

function show_edit(code)
{
	document.getElementById("postEdit"+code).style.visibility = "visible";
	document.getElementById("postEdit"+code).style.display = "block";
	document.getElementById("elink"+code).innerHTML = "<br /><strong>[</strong><a href=\"javascript:hide_edit('"+code+"');\"/>Hide History</a><strong>]</strong>";
}
function del_edit(eid,pid)
{
	if(xmlhttp)
	{ 
 		xmlhttp.open("GET", "xmlhttp.php?action=delEdit&pid="+pid+"&eid="+eid, true);
  		xmlhttp.onreadystatechange= function()
  		{
  			if(xmlhttp.readyState==4)
 			{
  				document.getElementById("postEdit"+pid).innerHTML = xmlhttp.responseText;
				get_edit(pid);
			}	
 		}
		xmlhttp.send(null)
 	}
}