function createRequest() {
   try
     {
      request=new XMLHttpRequest();
      }
  catch (trymicrosoft)
    {
      try
       {
       request=new ActiveXObject("Msxml2.XMLHTTP");
        }
      catch (eothermicrosoft)
      {
      try
        {
         request=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (failed)
        {
        alert("Your browser does not support AJAX!");
        request = null;
	    return false;
        }
      }
    }
      if (request == null)
      alert("Error creating request object");
}	


function get_news(page_num) {	
	createRequest();
	var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
	var url= "/ajaxrequest/get_news.html?page="+page_num;
	request.open("GET",url,true);
	request.setRequestHeader("Content-Type", contentType);
	request.onreadystatechange = comm_rec;
	request.send(null);	
	return false;
}
function get_videos(page_num, cat_id) {	
	createRequest();
	var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
	var url= "/ajaxrequest/get_videos.html?page="+page_num+"&cat_id="+cat_id;
	request.open("GET",url,true);
	request.setRequestHeader("Content-Type", contentType);
	request.onreadystatechange = comm_rec;
	request.send(null);	
	return false;
}
function get_photos(page_num, cat_id) {	
	createRequest();
	var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
	var url= "/ajaxrequest/get_photos.html?page="+page_num+"&cat_id="+cat_id;
	request.open("GET",url,true);
	request.setRequestHeader("Content-Type", contentType);
	request.onreadystatechange = comm_rec;
	request.send(null);	
	return false;
}
function get_download(page_num, cat_id) {	
	createRequest();
	var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
	var url= "/ajaxrequest/get_download.html?page="+page_num+"&cat_id="+cat_id;
	request.open("GET",url,true);
	request.setRequestHeader("Content-Type", contentType);
	request.onreadystatechange = comm_rec;
	request.send(null);	
	return false;
}
function comm_rec(){	
	if(request.readyState==4){	
		document.getElementById('innercontent').innerHTML = '';
		document.getElementById('innercontent').innerHTML = request.responseText;		
	}
}

function showsubmenu(id) {
document.getElementById(id).style.display='block';}

function hidesubmenu(id) {
document.getElementById(id).style.display='none';}

function show_hide_tab(id , id_1,id_2) {
	document.getElementById('artist_div'+id).style.display='';
	document.getElementById('artist_div'+id_1).style.display='none';
	document.getElementById('artist_div'+id_2).style.display='none';

	document.getElementById('artist_span'+id).className='selected';
	document.getElementById('artist_span'+id_1).className='';
	document.getElementById('artist_span'+id_2).className='';

	var link = document.getElementById('artist_link'+id);
	link.removeAttribute('href');
	var link_1 = document.getElementById('artist_link'+id_1);
	link_1.setAttribute('href', 'javascript: void(0)');
	var link_2 = document.getElementById('artist_link'+id_2);
	link_2.setAttribute('href', 'javascript: void(0)');
}