var http = createRequestObject();

function createRequestObject() 
{
	var ro;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer")
	{
		ro = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		ro = new XMLHttpRequest();
	}
	return ro;
}

function digResponse() 
{
	if(http.readyState == 4)
	{
        var response = http.responseText;
		
		returned = response.split('|');

		if(response.indexOf('|' != -1)) 
		{
			var id=returned[1];
			var numdigs=returned[2];
			var status=returned[0];
			
			if(status == '1')
			{
				document.getElementById('digbut'+id).innerHTML = '顶';
				document.getElementById('numdigs'+id).innerHTML = numdigs;
				document.getElementById('numvotes'+id).innerHTML = numdigs;
  			}
			else if(status == '2')
			{
				document.getElementById('digbut'+id).innerHTML = '顶';
			}
			else if(status == '0')
			{
				document.getElementById('digbut'+id).innerHTML = '<a href="/welcome/login">登<\/a>';
			}
		}
    }
}
function saveResponse() 
{
	if(http.readyState == 4)
	{
        var response = http.responseText;
		
		returned = response.split('|');

		if(response.indexOf('|' != -1)) 
		{
			var status=returned[0];
			var id = returned[1];
			
			if(status == '1')
			{
				document.getElementById('save'+id).innerHTML = '已保存';
  			}
			else if(status == '2')
			{
				document.getElementById('save'+id).innerHTML = '已保存';
			}
			else if(status == '0')
			{
				document.getElementById('save'+id).innerHTML = '<a href="/welcome/login">保存<\/a>';
			}
		}
    }
}
function unsaveResponse() 
{
	if(http.readyState == 4)
	{
        var response = http.responseText;
		
		returned = response.split('|');

		if(response.indexOf('|' != -1)) 
		{
			var status=returned[0];
			var id = returned[1];
			
			if(status == '1')
			{
				document.getElementById('unsave'+id).innerHTML = '已移出';
  			}
			else if(status == '2')
			{
				document.getElementById('unsave'+id).innerHTML = '已移出';
			}
			else if(status == '0')
			{
				document.getElementById('unsave'+id).innerHTML = '<a href="/welcome/login">移出<\/a>';
			}
		}
    }
}
function cdigResponse() 
{
	if(http.readyState == 4)
	{
        var response = http.responseText;
		
		returned = response.split('|');

		if(response.indexOf('|' != -1)) 
		{
			var id=returned[1];
			var numdigs=returned[2];
			var status=returned[0];
			
			if(status == '1')
			{
				document.getElementById('comd'+id).innerHTML = numdigs;
				//document.getElementById('cup'+id).className = 'opacityit';
				//document.getElementById('cdown'+id).className = 'opacityit';
  			}
			else if(status == '2')
			{
				// Already dug comment
				document.getElementById('cup'+id).className = 'opacityit';
				document.getElementById('cdown'+id).className = 'opacityit';
			}
			else if(status == '0')
			{
				document.getElementById('comd'+id).innerHTML = '<a href="/welcome/login">登录<\/a>';
			}
		}
    }
}
/**
 * 投票
 * id = 0 ,null from news -id
 */
function feerup(id)
{
	document.getElementById('digbut'+id).innerHTML = '...';

	http.open('get', '/source/ajax_/feerit_.php?type=sfeer&i='+id);
    http.onreadystatechange = digResponse;
    http.send(null);
}
function feercom(comment_id,dir,sid)
{	
	http.open('get', '/source/ajax_/feerit_.php?type=cfeer&i='+comment_id+'&sid='+sid+'&dir='+dir);
    http.onreadystatechange = cdigResponse;
    http.send(null);

	if(dir == 0)
	{
		dispcomment(comment_id,false,0);
	}
}
function save(id)
{
	http.open('get', '/source/ajax_/saveit_.php?type=save&i='+id);
    http.onreadystatechange = saveResponse;
    http.send(null);
}
function unsave(id){
	http.open('get', '/source/ajax_/saveit_.php?type=unsave&i='+id);
    http.onreadystatechange = unsaveResponse;
    http.send(null);
}