function follow(id){
	 document.getElementById("contentfollow"+id).style.display='block';
}


function followok(id){
	 var contentfollowword=document.getElementById("contentfollowword"+id);
	 var contentfollowtxt=document.getElementById("contentfollowtxt"+id);
	 var str="id="+id+"&content="+contentfollowtxt.value;
	 var txt=contentfollowword.innerHTML;
	 if(contentfollowtxt.value==""){
		alert("请输入跟帖内容");
		contentfollowtxt.focus();
	 }else{
		 xml();
		xmlhttprequest.open("POST","news_view_bbsfollow.php",true);
		xmlhttprequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
		xmlhttprequest.onreadystatechange = function(){
			if(xmlhttprequest.readyState == 4){	
				var msg=xmlhttprequest.responseText;
				if(msg!=0){
					 contentfollowword.innerHTML=msg+txt;
					 contentfollowtxt.innerHTML="";
					 document.getElementById("contentfollow"+id).style.display='none';
				}
			}
		}
		xmlhttprequest.send(str);
	}
}

function pagego(id,page,pages){
	var prepage=document.getElementById("prepage");
	var nextpage=document.getElementById("nextpage");
	var nowpage=document.getElementById("nowpage");
	xml();
	xmlhttprequest.open("GET","news_view_pages.php?id="+id+"&p="+page,true);
	xmlhttprequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
	xmlhttprequest.onreadystatechange = function(){
		if(xmlhttprequest.readyState == 4){	
				var msg=xmlhttprequest.responseText;
				//alert(msg);
				document.getElementById("contentdisplay").innerHTML=msg;
				
				if(page>1)
					prepage.innerHTML="<a href='#' class='pageturn'  onclick='pagego("+id+","+(page-1)+","+pages+");return false;' /><<上一页</a>";
				else
				    prepage.innerHTML="<a class='pageturn' /><<上一页</a>";
					
				nowpage.innerHTML=page+"/"+pages;
				
				if(page<pages)
					nextpage.innerHTML="<a href='#' class='pageturn'  onclick='pagego("+id+","+(page+1)+","+pages+");return false;' />下一页>></a>";
				else
				    nextpage.innerHTML="<a class='pageturn' />下一页>></a>";

		}
	}
	xmlhttprequest.send(null);
}

function contentok(id){
	var content=document.getElementById("content");
	var str="id="+id+"&content="+content.value;
	if(content.value==""){
		alert("请输入评论内容");
		content.focus();
	}else{
		xml();
		xmlhttprequest.open("POST","news_view_bbs.php",true);
		xmlhttprequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
		xmlhttprequest.onreadystatechange = function(){
			if(xmlhttprequest.readyState == 4){	
				var msg=xmlhttprequest.responseText;
				//alert(msg);
				document.getElementById("contentup").innerHTML=msg;
				content.value="感谢你已经参与评论!请不要重复提交.";
			}
		}
		xmlhttprequest.send(str);
	}
}

function act(id,str,http,title){
	var t1=document.getElementById("digg_article_num");
	var t2=document.getElementById("trample_article_num");
	var num;
	if(str=="good")
		num=parseInt(t1.innerHTML)+1;
	else
		num=parseInt(t2.innerHTML)+1;
		xml();			   
	xmlhttprequest.open("GET","news_view_act.php?id="+id+"&str="+str+"&num="+num,true);
	xmlhttprequest.onreadystatechange = function(){
		if(xmlhttprequest.readyState == 4){	
				var msg=xmlhttprequest.responseText;
				if(msg!=0){
					alert(msg);
					if(str=="good")
						t1.innerHTML=num;
					else if(str=="bad")
						t2.innerHTML=num;
				}
				
		}
	}
	xmlhttprequest.send(null);
	if(str=="favorite"){
		window.external.AddFavorite(http,title);
	}
}


function copyurl(){	
	var url=window.location.href;
    window.clipboardData.setData("Text",url);
	alert("本贴网址复制成功,右键粘贴或ctrl+V发给QQ、MSN好友就可分享");
}