function PageDown_Artist(painterid)
{
    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null)
    {
        alert ("Browser does not support HTTP Request");
        return;
    }
    popups.loginPopup.create('1');
	var url=rootLink+"/includes/ajax/left_artist.php?";
    url=url+"ajxid="+Math.random();
    url=url+"&call=left_artist";
    url=url+"&do=loaddown";
    url=url+"&painterid="+painterid;
    xmlHttp.onreadystatechange=PageDownArtistResult;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
}

function PageUp_Artist(painterid)
{
    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null)
    {
        alert ("Browser does not support HTTP Request");
        return;
    }
    popups.loginPopup.create('1');
	var url=rootLink+"/includes/ajax/left_artist.php?";
    url=url+"ajxid="+Math.random();
    url=url+"&call=left_artist";
    url=url+"&do=loadup";
    url=url+"&painterid="+painterid;
    xmlHttp.onreadystatechange=PageUpArtistResult;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
}
/**
* Return result
*/
function PageUpArtistResult()
{

	var left_artist = document.getElementById('left_artist');
    var acitve_artist = document.getElementById('active_artist');
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {
       	var temp = new Array();
  	    temp = xmlHttp.responseText.split('|');
 	    acitve_artist.innerHTML = temp[0];;
	 	left_artist.innerHTML = temp[1];
		popups.loginPopup.destroy('');
    }
}

function PageDownArtistResult()
{
    var left_artist = document.getElementById('left_artist');
    var acitve_artist = document.getElementById('active_artist');
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {
       	var temp = new Array();
        temp = xmlHttp.responseText.split('|');
 	    acitve_artist.innerHTML = temp[0];;
	 	left_artist.innerHTML = temp[1];
		popups.loginPopup.destroy('');
    }
}