// JavaScript Document
function $(id)
{
	return document.getElementById(id);	
}

function change_bg(o1,o2)
{
	o1.className="selelct_div";
	$(o2).className="";
}

function this_sd_b(o)
{
	$(o).style.display = "block";
}

function this_sd_n(o)
{
	$(o).style.display = "none";
}

function change_v(f_o,v,d_o,s,s1)
{
	$(f_o).value = v;
	$(d_o + "_value").innerHTML = s.innerHTML;
	this_sd_n(d_o + "_div");
    change_bg(s,s1);

}

function createXMLHttpRequest()
{
	var xmlHttp;
	if (window.XMLHttpRequest){
	 var objXMLHttp = new XMLHttpRequest();
		}else{
		 var MSXML = ['MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];
		for(var n=0; n<MSXML.length; n++){
			try{
				var objXMLHttp = new ActiveXObject(MSXML[n]);
				break;

			}catch(e){}
		}
	}
	return objXMLHttp;
}
var isajax = false;
var ggg;
function getpage(pid,tid)
{ if(isajax == true)
	{ ggg =setInterval("getpage('"+pid+"','"+tid+"')",1000);
   return;
   }
	isajax = true;
	clearInterval(ggg);
	if(pid == '' || tid =='')return ;
	pageid = pid;
	ajax = createXMLHttpRequest();
	if(pid.indexOf('head') !=-1 )
	ajax.open("GET","/zhishi/plus/head.php",true);
	else
	ajax.open("GET","/plus/getbookdata.php?typeid=" + tid,true);
	ajax.onreadystatechange = re_getpage;
	ajax.setRequestHeader("If-Modified-Since","0");
	ajax.send(null);
}

function re_getpage()
{
	if(ajax.readyState==4)
	{
		if(ajax.status==200)
		{ 
			$(pageid).innerHTML=ajax.responseText;
			
		}
		isajax = false;
	}	
}
function checkis_login()
{	
	if(isajax == true)
	{ ggg =setInterval(checkis_login,1000);
   return;
   }
	isajax = true;
	clearInterval(ggg);
	ajax = createXMLHttpRequest();
	ajax.open("GET","http://www.suoyoo.com/include/is_login.php?suowork=zhishi",true);
	ajax.onreadystatechange = ajaxlogin;
	ajax.setRequestHeader("If-Modified-Since","0");
	ajax.send(null);
}

function ajaxlogin()
{
	if(ajax.readyState==4)
	{
		if(ajax.status==200)
		{
			if(ajax.responseText !='')
			 $('is_login').innerHTML = ajax.responseText;
			
		}
		isajax = false;
	}	
}

function userout(v)
{
	ajax = createXMLHttpRequest();
	ajax.open("GET","http://www.suoyoo.com/bbs/logging.php?action=logout&formhash="+v,true);
	ajax.onreadystatechange = userout1;
	ajax.setRequestHeader("If-Modified-Since","0");
	ajax.send(null);
	
	}
	
	function userout1()
{
	if(ajax.readyState==4)
	{
		if(ajax.status==200)
		{
			window.location.reload(); 		
		}
		
	}	
}