function showUsers(){
	
	var count_users =  0 ;
	var wait_string = '';
	
	url = 'getusers.php';
	
	req1 = get_http();

	req1.onreadystatechange = function(){


    if(req1.readyState ==  4 ){
	
		document.getElementById("active_users").innerHTML = '';
		
		var resp = req1.responseXML;
		
		var cur  = resp.getElementsByTagName( 'user' );
		
		for( var i =  0 ; i < cur.length; i++ ){

			var c = cur[i].childNodes;
			
			var link_del = '';
							
			for (var j= 0 ; j < c.length; j++){
				
						
				if(c[j].firstChild){
					  
					
					  if(c[j].nodeName == 'username'){
					  	document.getElementById("active_users").innerHTML += wait_string+ '  ' + c[j].firstChild.nodeValue;
      	          	  }
					  if(c[j].nodeName == 'user_id'){
						 count_users++;
						 user_id = c[j].firstChild.nodeValue;
						 link_del =  '<a href="offline.php?user_id='+user_id+'" id=del'+user_id+' onclick="del_user(this.href); openedWin['+user_id+'] = ''; return false;" class="del">[-]</a>';
					  }
					  
					   if(c[j].nodeName == 'chat_id'){
					  	
						 chat_id = c[j].firstChild.nodeValue;
					  }
					  if(c[j].nodeName == 'ip'){
					  	
						 document.getElementById("active_users").innerHTML += ' <span class="ip"> ' + c[j].firstChild.nodeValue;+ '</span> ';
					  }
				}
      	            

			}
			
			if(!openedWin[user_id] && count_users <=  5 ){
				//alert('open window user_id->'+user_id);
				openedWin[user_id] = open('chatsmall.php?chat_id='+chat_id + '&client_id='+user_id, "propop"+chat_id, "screenX=30,screenY=30,left=30,top=30, width=600,height=600,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0");
			}
			
			if(count_users >=  1 ){
				
				wait_string = '--';
		
			}
			
			document.getElementById("active_users").innerHTML += link_del + "<br />";
			
	    }
	}
   }
	req1.open("GET", url, true);
    req1.send(null);

}

openedWin['+user_id+'] = '';

openedWin['+user_id+'] = \"\";