/*
var imgwidth=600;

function show(o){document.getElementById(o).style.display="block";}
function hide(o){document.getElementById(o).style.display="none";}
function geturl(url,id){
var http=false;
$(id).innerHTML='<span class="loading">&nbsp;&nbsp;</span>';
if(window.XMLHttpRequest){http=new XMLHttpRequest();if(http.overrideMimeType){http.overrideMimeType('text/plain');}}else if(window.ActiveXObject){try{http=new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{http=new ActiveXObject("Microsoft.XMLHTTP");}catch(e){}}}
if(!http){alert('Cannot send an XMLHTTP request');return false;}
http.onreadystatechange=function(){if(http.readyState==4){$(id).innerHTML=http.responseText;}}
http.open("get", url, true);
http.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
http.send(null);
}
function imgsize(){
	var img=document.getElementById("news").getElementsByTagName("img");
	for(var i=0; i<img.length;i++){
		if(img[i].width>imgwidth){img[i].width=imgwidth;img[i].style.width=imgwidth;img[i].title="点击在新窗口打开大图";img[i].style.cursor="pointer";img[i].border=0;img[i].onclick=function(e){window.open(this.src);}}
	}
}
*/
function doZoom(size){
	document.getElementById('news').style.fontSize=size+'px'
}
/*
document.body.oncopy = function () { 
	setTimeout( function () { 
		var text = clipboardData.getData("text");
		if (text) { 
			text = text + "\r\n文章出处：庄河SEO("+location.href+")";
			clipboardData.setData("text", text);
		} 
				}, 100 ) 
}
*/
function RefreshImage()
{
var el =document.getElementById("AuthCode1");
el.src=el.src+'?';//这个特别重要
}



function $(id){return document.getElementById(id);}
//以下是实现复制的代码，复制文本
function copyIdText(id)
{
  copy( $(id).innerText,$(id) );
}
function copyIdHtml(id)
{
  copy( $(id).innerHTML,$(id) );
}

function copy(txt,obj)
{       
   if(window.clipboardData) 
   {        
        window.clipboardData.clearData();        
        window.clipboardData.setData("Text", txt);
        alert("复制成功！")
        if(obj.style.display != 'none'){
	  var rng = document.body.createTextRange();
	  rng.moveToElementText(obj);
	  rng.scrollIntoView();
	  rng.select();
	  rng.collapse(false);  
       }
   }
   else
    alert("请选中文本，使用 Ctrl+C 复制!");
}


function goTop(acceleration, time) {

	acceleration = acceleration || 0.1;
	time = time || 16;

	var dx = 0;
	var dy = 0;
	var bx = 0;
	var by = 0;
	var wx = 0;
	var wy = 0;

	if (document.documentElement) {
		dx = document.documentElement.scrollLeft || 0;
		dy = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		bx = document.body.scrollLeft || 0;
		by = document.body.scrollTop || 0;
	}
	var wx = window.scrollX || 0;
	var wy = window.scrollY || 0;

	var x = Math.max(wx, Math.max(bx, dx));
	var y = Math.max(wy, Math.max(by, dy));

	var speed = 1 + acceleration;
	window.scrollTo(Math.floor(x / speed), Math.floor(y / speed));
	if(x > 0 || y > 0) {
		var invokeFunction = "goTop(" + acceleration + ", " + time + ")"
		window.setTimeout(invokeFunction, time);
	}
}