function GetCookie(c_name)
{
	if (document.cookie.length > 0)
	{
		c_start = document.cookie.indexOf(c_name + "=")
		if (c_start != -1)
		{
			c_start = c_start + c_name.length + 1;
			c_end   = document.cookie.indexOf(";",c_start);
			if (c_end == -1)
			{
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return null
}
function SetCookie(c_name,value,expiredays)
{
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" +escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()); //使设置的有效时间正确。增加toGMTString()
}
function support(artid)
{
var saveid = GetCookie('supportid');
	if(saveid != null)
	{
		var saveids = saveid.split(',');
		var hasid = false;
		saveid = '';
		j = 1;
		for(i=saveids.length-1;i>=0;i--)
		{
			if(saveids[i]==artid && hasid) continue;
			else {
				if(saveids[i]==artid && !hasid) hasid = true;
				saveid += (saveid=='' ? saveids[i] : ','+saveids[i]);
				j++;
				if(j==20 && hasid) break;
				if(j==19 && !hasid) break;
			}
		}
		if(hasid) { alert("您已经顶过该帖，请不要重复顶帖 ！"); return; }
		else saveid += ','+artid;
		SetCookie('supportid',saveid,1);
	}
	else
	{
		SetCookie('supportid',artid,1);	
	}
 //   document.getElementById( "tt" ).className = "txt";
    //var scores = document.getElementById('scoredata').innerHTML.split('|');
     var nu =parseInt(document.getElementById('good').innerHTML) + 1;
     document.getElementById('good').innerHTML =nu;
     var s = document.createElement('script');
     s.type = "text/javascript";
     s.src = "http://gvo.hehagame.com/supportArt.php?action=digg&aid="+ artid;
     //alert(s);
     document.body.appendChild(s); 	
}
function oppose(artid)
{
var saveid = GetCookie('opposeid');
	if(saveid != null)
	{
		var saveids = saveid.split(',');
		var hasid = false;
		saveid = '';
		j = 1;
		for(i=saveids.length-1;i>=0;i--)
		{
			if(saveids[i]==artid && hasid) continue;
			else {
				if(saveids[i]==artid && !hasid) hasid = true;
				saveid += (saveid=='' ? saveids[i] : ','+saveids[i]);
				j++;
				if(j==20 && hasid) break;
				if(j==19 && !hasid) break;
			}
		}
		if(hasid) { alert("您已经踩过该帖，请不要重复顶踩 ！"); return; }
		else saveid += ','+artid;
		SetCookie('opposeid',saveid,1);
	}
	else
	{
		SetCookie('opposeid',artid,1);	
	}
//    document.getElementById( "tt" ).className = "txt";
    //var scores = document.getElementById('scoredata').innerHTML.split('|');
     var nu =parseInt(document.getElementById('bad').innerHTML) + 1;
     document.getElementById('bad').innerHTML =nu;
     var s = document.createElement('script');
     s.type = "text/javascript";
     s.src = "http://gvo.hehagame.com/opposeArt.php?action=stamp&aid="+ artid;
     //alert(s);
     document.body.appendChild(s); 	
}