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 "";
}

function subscribe_story(obj,no,userid) {
	username=getCookie('textnovel');	
	if(userid=='0') {
		window.location.href='signup.php?option=subscribe&story_id='+obj;
	}
	if(username==null || username=="") {				
		window.location.href='signup.php?option=subscribe&story_id='+obj;		
		return false;	
	} else {
		var getstr = "?";
		getstr +="story_id="+obj+"&user_id="+userid+"&span_id="+no;
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null) {
			return
		} 
		var url="story_subscription.php";
		url=url+getstr;
		var id="sub_id"+no;
		xmlHttp.onreadystatechange=function() { 
			if (xmlHttp.readyState==4 ) { 
				var ss =(xmlHttp.responseText);
				var ss=ss.split("<sep>");
				document.getElementById(""+id+"").innerHTML=ss[0];	
				//document.getElementById("err_login_div").style.display='block';
				//document.getElementById("err_login_div").innerHTML=ss[1];	
		 	}
		}
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	}
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	  	}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	  	}
	 }
	return xmlHttp;
}