function get_ajaxobj()
    {
    var xmlhttp= false;
    try
	{
	xmlhttp= new ActiveXObject("Msxml2.XMLHTTP");
	}
    catch(e)
	{
	try
	    {
	    xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
	    }
	catch(E)
	    {
	    }
	}
    if(!xmlhttp && typeof XMLHttpRequest != 'undefined') 
	{
	xmlhttp = new XMLHttpRequest();
	}
    return xmlhttp;
    }
function likedislike(title, type, uid, islike, isclick, key)
    {
    var msg= window.document.getElementById("msg_" + uid);
    var like= window.document.getElementById("like_" + uid);
    if(isclick == 1)
	{
	msg.innerHTML= "<font color=#006C00>posting...</font>";
	}
    var unlike= window.document.getElementById("unlike_" + uid);
    var aj= get_ajaxobj();
    var url= "/kommon/bin/sr.php?kall=likedislike&title=" + title + "&type=" + type + "&islike=" + islike + "&isclick=" + isclick + "&key=" + key;
    aj.open("GET", url, true);
    aj.onreadystatechange=function()
	{
	if(aj.readyState == 4 && aj.status == 200)
	    {
	    var myString= aj.responseText;
	    var responce= myString.split("!");
	    if(responce[0] == 'R')
		{
		msg.innerHTML = "<font color=#FF6666 size=1>already posted</font>";
		}
	    else if(responce[0] == 'error')
		{
		msg.innerHTML = "";
		}
	    else
		{
		msg.innerHTML = "";
		like.innerHTML = "(" + responce[1] + ")";
		unlike.innerHTML = "(" + responce[2] + ")";
		};
	    };
	};
    aj.send(url);
    };
function reg(uid, islike)
    {
    var div= document.getElementById("likedislike_canvas_" + uid);
    if(div != null)
	{
	var title= div.getAttribute("nvtitle");
	var type= div.getAttribute("nvtype");
	var key= div.getAttribute("key");
	likedislike(title, type, uid, islike, 1, key);
	}
    }
function onload_likedislike(uid) 
    {
    var div= document.getElementById("likedislike_canvas_" + uid);
    if(div != null)
	{
	var title= div.getAttribute("nvtitle");
	var type= div.getAttribute("nvtype");
	var key= div.getAttribute("key");
	div.innerHTML= "";
        var html= "<style>.liketd {font-family:Georgia; font-size:14px; font-weight:normal; } .liketd a {font-family:Georgia; font-size:14px; font-weight:normal; }</style>";
	html+= "<table align=\"right\" border=\"0\" cellspacing=\"2\" cellpadding=\"0\">";
        html+= "<tr>";
        html+= "<td class=\"stitle\" style=\"font-family:Georgia; font-size:18px; font-weight:normal; padding-bottom:5px; padding-left:0px;\"colspan=\"2\">Did you find this article</td>";
        html+= "</tr>";
        html+= "<tr>";
        html+= "<td class=\"pointer\" style=\"font-family:Georgia; font-size:14px; font-weight:normal; \" ><a href=\"javascript:reg('" + uid + "', '1')\" style=\"color:#0000FF;\">Useful</a>&nbsp;<span style=\"font-family:Georgia; font-size:14px; font-weight:normal; \" id=\"like_" + uid + "\"></span></td>";
        html+= "<td class=\"pointer\" style=\"font-family:Georgia; font-size:14px; font-weight:normal; text-align:right;\"><a href=\"javascript:reg('" + uid + "', '0')\" style=\"color:#0000FF;\">Not Useful</a>&nbsp;<span style=\"font-family:Georgia; font-size:14px; font-weight:normal;\" id=\"unlike_" + uid + "\"></span></td>";
        html+= "</tr>";
        html+= "<tr>";
        html+= "<td style=\"font-family:Georgia; font-size:14px; font-weight:normal;\" colspan=\"2\"><label id=\"msg_" + uid + "\"></label></td>";
        html+= "</tr>";
        html+= "</table>";
	div.innerHTML= html;
	likedislike(title, type, uid, 1, 0, key);
        //html+= "<td style=\"padding-right:5px;\" class=\"pointer tmp\" onclick=\"reg('" + uid + "', '1','1')\"><a href=\"#\" style=\"color:#0000FF;\">Useful</a></td>";
        //html+= "<td style=\"padding-right:5px;\" class=\"pointer tmp\" onclick=\"reg('" + uid + "', '0','1')\" style=\"padding-left:20px;\"><a href=\"#\" style=\"color:#0000FF;\">Not Useful</a></td>";
	};
    }