function clearss()
{
	document.getElementById("textfield").value="";
}
//创建Ajax
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	  {
		  // Firefox, Opera 8.0+, Safari
		  xmlHttp=new XMLHttpRequest();
	  }
	catch (e)
	  {
		  // Internet Explorer
		  try
			{
				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			}
		  catch (e)
			{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
	  }
	return xmlHttp;
}
//设置新闻点击量
var setnews,getnews,setpro,getpro,setact,getact;
function clickratenews(str)
{ 

setnews=GetXmlHttpObject();
if (setnews==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="admin/inc/ajax.asp";
url=url+"?act=clickratenews&key="+str;
setnews.open("POST",url,true);
setnews.setRequestHeader("If-Modified-Since","0");
setnews.send(null);
}
//获取新闻点击量
function getclickratenews()
{ 
var urlo=location.href;
var str=urlo.substr(urlo.indexOf("?")+1);
getnews=GetXmlHttpObject();
if (getnews==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="admin/inc/ajax.asp";
url=url+"?act=getclickratenews&key="+str;
getnews.onreadystatechange=stateChangednews;
getnews.open("POST",url,true);
getnews.setRequestHeader("If-Modified-Since","0");
getnews.send(null);
}
function stateChangednews() 
{ 
if (getnews.readyState==4)
{ 
	document.getElementById("getclickrate").innerHTML=getnews.responseText;
}
}
//设置产品点击量
function setclickrateproduct(str)
{
	setpro=GetXmlHttpObject();
	if (setpro==null)
	  {
		  alert ("Your browser does not support AJAX!");
		  return;
	  } 
	var url1="admin/inc/ajax.asp";
	url1=url1+"?act=clickrateproduct&key="+str;
	setpro.open("GET",url1,true);
	setpro.setRequestHeader("If-Modified-Since","0");
	setpro.send(null);	
}
//获取产品点击量
function getclickrateproduct()
{
	var urlo=location.href;
var str1=urlo.substr(urlo.indexOf("?")+1);

getpro=GetXmlHttpObject();
if (getpro==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url1="admin/inc/ajax.asp";
url1=url1+"?act=getclickrateproduct&key="+str1;
getpro.onreadystatechange=stateChangedpro;
getpro.open("POST",url1,true);
getpro.setRequestHeader("If-Modified-Since","0");
getpro.send(null);
}
function stateChangedpro() 
{ 
	if (getpro.readyState==4)
	{ 
	document.getElementById("getclickrateproduct").innerHTML=getpro.responseText;
	}
}



//设置文章点击量
function clickrateact(str)
{ 

setact=GetXmlHttpObject();
if (setact==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="admin/inc/ajax.asp";
url=url+"?act=clickrateact&key="+str;
setact.open("POST",url,true);
setact.setRequestHeader("If-Modified-Since","0");
setact.send(null);
}
//获取文章点击量
function getclickrateact()
{ 
var urlo=location.href;
var str=urlo.substr(urlo.indexOf("?")+1);
getact=GetXmlHttpObject();
if (getact==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="admin/inc/ajax.asp";
url=url+"?act=getclickrateact&key="+str;
getact.onreadystatechange=stateChangedact;
getact.open("POST",url,true);
getact.setRequestHeader("If-Modified-Since","0");
getact.send(null);
}
function stateChangedact() 
{ 
if (getact.readyState==4)
{ 
	document.getElementById("getclickrateact").innerHTML=getact.responseText;
}
}
var flag=false;
function DrawImage(ImgD,xwidth,xheight)
{
	var image=new Image();
	var iwidth = xwidth; //定义允许图片宽度，当宽度大于这个值时等比例缩小
	var iheight = xheight; //定义允许图片高度，当宽度大于这个值时等比例缩小
	image.src=ImgD.src;
	if(image.width>0 && image.height>0)
	{
		flag=true;
		if(image.width/image.height>= iwidth/iheight)
		{
			if(image.width>iwidth)
			{ 
				ImgD.width=iwidth;
				ImgD.height=(image.height*iwidth)/image.width;
			}
			else
			{
				ImgD.width=image.width; 
				ImgD.height=image.height;
			}
		//ImgD.alt=image.width+"×"+image.height;
		}
		else
		{
			if(image.height>iheight)
			{ 
				ImgD.height=iheight;
				ImgD.width=(image.width*iheight)/image.height; 
			}
			else
			{
				ImgD.width=image.width; 
				ImgD.height=image.height;
			}
		//ImgD.alt=image.width+"×"+image.height;
		}
	}
}