var AJAX={http_request:false,DivObj:null,waitstate:null,success:null,get:function(divid,url){AJAX.http_request=false;AJAX.DivObj=document.getElementById(divid);if(window.XMLHttpRequest){AJAX.http_request=new XMLHttpRequest();if(AJAX.http_request.overrideMimeType){AJAX.http_request.overrideMimeType('text/xml');}}else if(window.ActiveXObject){try{AJAX.http_request=new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{AJAX.http_request=new ActiveXObject("Microsoft.XMLHTTP");}catch(e){}}}
if(!AJAX.http_request){window.alert("不能创建XMLHttpRequest对象实例.");return false;}
AJAX.http_request.onreadystatechange=AJAX.processRequest;AJAX.http_request.open("GET",url+"&"+Math.random(),true);AJAX.http_request.send(null);},post:function(divid,url,postvalue){AJAX.http_request=false;AJAX.DivObj=document.getElementById(divid);if(window.XMLHttpRequest){AJAX.http_request=new XMLHttpRequest();if(AJAX.http_request.overrideMimeType){AJAX.http_request.overrideMimeType('text/xml');}}else if(window.ActiveXObject){try{AJAX.http_request=new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{AJAX.http_request=new ActiveXObject("Microsoft.XMLHTTP");}catch(e){}}}
if(!AJAX.http_request){window.alert("不能创建XMLHttpRequest对象实例.");return false;}
AJAX.http_request.onreadystatechange=AJAX.processRequest;AJAX.http_request.open("POST",url,true);AJAX.http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");AJAX.http_request.send(poststr);},processRequest:function(){if(AJAX.http_request.readyState==4){if(AJAX.http_request.status==200){if(AJAX.DivObj!=null){AJAX.DivObj.innerHTML=AJAX.http_request.responseText;}}else{alert("您所请求的页面有异常。");}}else{if(AJAX.DivObj!=null){AJAX.DivObj.innerHTML='请等待...';}}}}
function makesmallpic(obj,w,h){var srcImage=new Image();srcImage.src=obj.src;var srcW=srcImage.width;var srcH=srcImage.height;if(srcW==0)
{obj.src=srcImage.src;srcImage.src=obj.src;var srcW=srcImage.width;var srcH=srcImage.height;}
if(srcH==0)
{obj.src=srcImage.src;srcImage.src=obj.src;var srcW=srcImage.width;var srcH=srcImage.height;}
if(srcW>srcH){if(srcW>w){obj.width=newW=w;obj.height=newH=(w/srcW)*srcH;}else{obj.width=newW=srcW;obj.height=newH=srcH;}}else{if(srcH>h){obj.height=newH=h;obj.width=newW=(h/srcH)*srcW;}else{obj.width=newW=srcW;obj.height=newH=srcH;}}
if(newW>w){obj.width=w;obj.height=newH*(w/newW);}else if(newH>h){obj.height=h;obj.width=newW*(h/newH);}}