var sUserAgent=navigator.userAgent;var isOpera=sUserAgent.indexOf('Opera')>-1;var isIE=sUserAgent.indexOf('compatible')>-1&&sUserAgent.indexOf('MSIE 6.0')>-1&&!isOpera;function fixEllipsis(){if(isIE){var ellipsis=document.getElementsByClassName("ul_ellipsis");for(var i=0;i<ellipsis.length;i++){for(var j=0;j<ellipsis[i].children.length;j++){var info=null;var title=null;for(var k=0;k<ellipsis[i].children[j].children.length;k++){switch(ellipsis[i].children[j].children[k].className){case'txt_info':info=ellipsis[i].children[j].children[k];break;case'lnk_title':title=ellipsis[i].children[j].children[k];break;}
if(info!=null&&title!=null){if(ellipsis[i].offsetWidth-info.offsetWidth>=15){title.style.width=ellipsis[i].offsetWidth-info.offsetWidth-15+'px';}break;}}}}}}
function FrameGroup(groupName,groupList){this.groupName=groupName;this.groupList=groupList;}
var FrameSet={framePrefix:'fra_',frameHeadPrefix:'fra_head_',classBefore:'classBefore',classAfter:'classAfter',classCurrent:'classCurrent',timeFlag:null,currentFrameHead:null,currentFrame:null,frames:new Array(),eventType:'mouse',linkageEvent:function(){},initFlag:false,show:function(event){FrameSet.currentFrameHead=typeof(event)=='string'?event:Event.element(event).id==""?Event.element(event).parentNode.id:Event.element(event).id;FrameSet.timeFlag=setTimeout('FrameSet.showFrame()',200);},show2:function(event){FrameSet.currentFrameHead=typeof(event)=='string'?event:Event.element(event).id==""?Event.element(event).parentNode.id:Event.element(event).id;FrameSet.showFrame();},_show:function(frameHead){FrameSet.currentFrameHead=frameHead;FrameSet.showFrame();},showFrame:function(){var frameHead=FrameSet.currentFrameHead;var groupName=frameHead.substring(FrameSet.frameHeadPrefix.length,frameHead.lastIndexOf("_"));var serial=frameHead.substring(frameHead.lastIndexOf("_")+1,frameHead.length);var frameGroup=FrameSet.getFrameGroup(groupName);var frameHeadStyle=FrameSet.classBefore;for(var i=0;i<frameGroup.groupList.length;i++)
{frame=$(FrameSet.framePrefix+groupName+'_'+frameGroup.groupList[i]);frameHead=$(FrameSet.frameHeadPrefix+groupName+'_'+frameGroup.groupList[i]);if(frameGroup.groupList[i]==serial)
{frame.style.display='inline';frameHead.className=FrameSet.classCurrent;frameHeadStyle=FrameSet.classAfter;FrameSet.currentFrame=frame;}
else
{frame.style.display='none';frameHead.className=frameHeadStyle;}}
FrameSet.linkageEvent(serial);},timeClear:function(){window.clearTimeout(FrameSet.timeFlag);},getFrameGroup:function(groupName){var frameGroup=new Object();for(var i=0;i<FrameSet.frames.length;i++)
{frameGroup=FrameSet.frames[i];if(frameGroup.groupName==groupName)return frameGroup;}},init:function(){if(FrameSet.initFlag==false)
{var frameIds=new Array();var frameSerial,frameName,frameHead;var frameHeads=document.getElementsByClassName("frame");for(var i=0;i<frameHeads.length;i++)
{var groupList=new Array();for(var j=0;j<frameHeads[i].childNodes.length;j++)
{if(frameHeads[i].childNodes[j].nodeType==1)
{frameIds=frameHeads[i].childNodes[j].id.split("_");framePrefix=frameIds.shift();if(framePrefix+"_"==FrameSet.framePrefix)
{frameSerial=frameIds.pop();frameName=frameIds.length>1?frameIds.join("_"):frameIds;frameHead=$(FrameSet.frameHeadPrefix+frameName+'_'+frameSerial);switch(FrameSet.eventType)
{case'click':Event.observe(frameHead,'click',FrameSet.show2,false);break;default:Event.observe(frameHead,'mouseover',FrameSet.show,false);Event.observe(frameHead,'mouseout',FrameSet.timeClear,false);}
groupList.push(frameSerial);}}}
var frameGroup=new FrameGroup(frameName,groupList);FrameSet.frames.push(frameGroup);var firstFrameHead=FrameSet.frameHeadPrefix+frameName+'_'+groupList.first();FrameSet._show(firstFrameHead);}
FrameSet.initFlag=true;}}}
function getPosition(obj){var objLeft=obj.offsetLeft;var objTop=obj.offsetTop;while(obj=obj.offsetParent){objLeft+=obj.offsetLeft;objTop+=obj.offsetTop;}
return([objLeft,objTop]);}
var pdMenu={_children:new Array(),_current:'',_hide:true,_iTimerID:0,init:function(id){pdMenu._traversal(id);},_traversal:function(id){var parent=$get(id);var children=parent.getElementsByTagName('LI');for(var i=0;i<children.length;i++){var grandid=children[i].id+'_s'
if($get(grandid)){children[i].className='folder';children[i].onmouseover=pdMenu.show;children[i].onmouseout=pdMenu.hide;$get(grandid).onmouseover=pdMenu.hold;$get(grandid).onmouseout=pdMenu.hide;pdMenu._traversal(grandid);}else{children[i].onmouseover=pdMenu.hidechildren;}}},show:function(event){var e=event||window.event;var srcElement=e.srcElement||e.target;var parent_id=srcElement.id==""?(srcElement.parentNode.id==""?srcElement.parentNode.parentNode.id:srcElement.parentNode.id):srcElement.id;var parent=$get(parent_id);var child=$get(parent_id+'_s');pdMenu.hold();if(child.id==pdMenu._children[pdMenu._children.length-1])return;pdMenu._current=child.id;if(pdMenu._children.length>0){var last=pdMenu._children[pdMenu._children.length-1];var last_prefix=last.substr(0,last.length-1);if(child.id.substr(0,last_prefix.length)!=last_prefix){pdMenu._hide();}}
if(pdMenu._iTimerID==0){var xy=getPosition(parent.childNodes[0]);var pd=child;var pw=pd.offsetWidth;var dw=document.documentElement.scrollWidth;var bw=document.body.scrollWidth;var h=parent.childNodes[0].offsetHeight;var w=parent.childNodes[0].offsetWidth;if(parent_id.split('_').length==2){if(parent.className!='choose')h++;if(pw<w){setStyle(pd,{width:(w-22)+'px'});}
setStyle(pd,{left:(xy[0]+Math.ceil((dw-bw)/2)-1+'px'),top:(xy[1]+h-2+'px'),zIndex:1999,visibility:'visible'});}else{setStyle(pd,{left:(xy[0]+Math.ceil((dw-bw)/2)+parent.offsetWidth+5+'px'),top:(xy[1]-2+'px'),zIndex:1999,visibility:'visible'});}
parent.childNodes[0].className='hover';pdMenu._children.push(child.id);}},hide:function(){if(pdMenu._iTimerID==0)pdMenu._iTimerID=setTimeout(pdMenu._hide,200);},hidechildren:function(event){var e=event||window.event;var srcElement=e.srcElement||e.target;var parent_id=srcElement.id==""?(srcElement.parentNode.id==""?srcElement.parentNode.parentNode.id:srcElement.parentNode.id):srcElement.id;if(pdMenu._children.length>0&&parent_id.length<pdMenu._children[pdMenu._children.length-1].length){var tmp=pdMenu._children.pop();setStyle($get(tmp),{visibility:'hidden'});$get(tmp.substr(0,tmp.length-2)).childNodes[0].className='';}},_hide:function(){if(pdMenu._children.length>0){var tmp=pdMenu._children.pop();setStyle($get(tmp),{visibility:'hidden'});$get(tmp.substr(0,tmp.length-2)).childNodes[0].className='';if(pdMenu._iTimerID>0){while(pdMenu._children.length>0){tmp=pdMenu._children.pop();setStyle($get(tmp),{visibility:'hidden'});$get(tmp.substr(0,tmp.length-2)).childNodes[0].className='';}}else{var level=pdMenu._current.split('_').length;for(var i=pdMenu._children.length-1;i>=0;i--){if(pdMenu._children[i].split('_').length>=level){tmp=pdMenu._children[i];setStyle($get(tmp),{visibility:'hidden'});$get(tmp.substr(0,tmp.length-2)).childNodes[0].className='';}}}}},hold:function(){if(pdMenu._iTimerID>0){clearTimeout(pdMenu._iTimerID);pdMenu._iTimerID=0;}}}
var FoldNav={className:'fold_nav',currentNav:'cur_nav',currentDt:'cur_dt',foldNavs:new Array(),init:function(){foldNavs=document.getElementsByClassName(FoldNav.className);for(var i=0;i<foldNavs.length;i++){var dts=foldNavs[i].getElementsByTagName('dt');for(var j=0;j<dts.length;j++)Event.observe(dts[j],'click',FoldNav.showDD,false);}},showDD:function(event){var e=event||window.event;var srcElement=e.srcElement||e.target;var eventObj=srcElement;var dt;var dl;var display;dt=eventObj.tagName=='DT'?eventObj:eventObj.parentNode;dl=dt.parentNode;if(dt.className==''){dt.className=FoldNav.currentDt;display='block';}else{dt.className='';display='none';}
var dds=dl.getElementsByTagName('dd');for(var i=0;i<dds.length;i++)dds[i].style.display=display;}}
function setStyle(obj,css){if(arguments.length==1){var css=obj;var obj=this;}
for(var c in css){obj.style[c]=css[c];}}
function setChoose(pre,id){if(!id){id=0}
$get(pre+id).className='choose';if($get('s_'+pre+id))$get('s_'+pre+id).className='pd_menu2';}
if(typeof HTMLElement!='undefined'){HTMLElement.prototype.click=function()
{var evt=this.ownerDocument.createEvent('MouseEvents');evt.initMouseEvent('click',true,true,this.ownerDocument.defaultView,1,0,0,0,0,false,false,false,false,0,null);this.dispatchEvent(evt);}}
function $get(id){return document.getElementById(id);}
function AdjustPos(){var id=arguments[0];var xRectify=0;var yRectify=0;if(arguments.length>1){var xRectify=arguments[1];var yRectify=arguments[2];}
var bodyElement=(document.documentElement.clientWidth!=0)?document.documentElement:document.body;var posElement=$(id);var offsetLeft=(bodyElement.clientWidth-posElement.offsetWidth-xRectify)/2;var offsetTop=(bodyElement.clientHeight-posElement.offsetHeight-yRectify)/2+bodyElement.scrollTop;if(offsetTop<0){offsetTop=0;}
with(posElement.style){display="block";top=offsetTop+"px";left=offsetLeft+"px";}}
function showInnerPage(src,w,h,title){if(!$('inner_page')){ip_container=document.createElement("div");ip_container.id="inner_page";document.body.insertAdjacentElement("beforeend",ip_container);}else{ip_container=$('inner_page');}
setStyle(ip_container,{display:"",width:(w+'px'),height:(h+21+'px')})
AdjustPos('inner_page');ip_container.innerHTML="<div id='inner_title'><div id='inner_close'><a href='javascript:hideInnerPage()'>&times;关闭</a></div>"+title+"</div><img src='"+src+"' />";}
function hideInnerPage(){ip_container=$('inner_page');setStyle(ip_container,{display:"none"});ip_container.innerHTML="";}
function plateShow(src,title){var img=new Image();img.src=src;showInnerPage(src,img.width,img.height,title);}
function swfoto(width,height,src,url){return'<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"  codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+width+'" height="'+height+'"><param name="movie" value="common/swf/swfoto2.swf?image='+src+'&link='+url+'&isShowLoader=true&windowOpen=_self"><embed src="common/swf/swfoto2.swf?image='+src+'&link='+url+'&isShowLoader=true&windowOpen=_self" width="'+width+'" height="'+height+'"  pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"></embed></object>';}
var current_child=null;var current_parent=null;var parent_sign=false;var child_sign=false;function show_child(id)
{parent_sign=true;var parent=document.getElementById("first_nav_"+id);parent.className="choose";if(current_parent){if(current_parent!=parent)current_parent.className=""}else{current_parent=document.getElementById("first_nav_1");current_child=document.getElementById("second_nav_1");if(current_parent!=parent)current_parent.className=""}
current_parent=parent;child_sign=false;var child=document.getElementById("second_nav_"+id);if(child)child.className="";if(current_child&&current_child!=child)current_child.className="hide";current_child=child;}
var iTimeoutID=null;function menu_back()
{if(!parent_sign&&!child_sign&&current_parent!=source_parent)
{show_child(source_parent);}
window.clearTimeout(iTimeoutID);}
function set_parent_sign()
{parent_sign=true;}
function set_child_sign()
{child_sign=true;}
function clear_parent_sign()
{parent_sign=false;iTimeoutID=window.setTimeout(menu_back,500);}
function clear_child_sign()
{child_sign=false;iTimeoutID=window.setTimeout(menu_back,500);}
function LoginSelectClickOther(){$("loginFldselectop").style.display="none";}
function SearchSelectClickOther(){$("SearchFldselectop").style.display="none";}
function clickLoginSelect(){if($("loginFldselectop").style.display=="block"){LoginSelectClose();}else{$("loginFldselectop").style.display="block";document.body.setAttribute("onmousedown",LoginSelectClose);}};function clickSearchSelect(){if($("SearchFldselectop").style.display=="block"){SearchSelectClose();}else{$("SearchFldselectop").style.display="block";addEvent(document.body,"mousedown",SearchSelectClickOther);}};function LoginSelectClose(){setTimeout(LoginSelectClickOther,500)
document.body.setAttribute("onmousedown",null);};function SearchSelectClose(){$("SearchFldselectop").style.display="none";delEvent(document.body,"mousedown",SearchSelectClickOther);};function MenuClose(id){if($(id))
{$(id).className="choose";}};function LoginSelect(title){var titleName;switch(title){case"artcle":$("SearchType").value="1";titleName="资讯新闻";break;case"blog":$("SearchType").value="2";titleName="专栏文章";break;case"view":$("SearchType").value="3";titleName="艾瑞视点";break;case"report":$("SearchType").value="4";titleName="艾瑞报告";break;};$("loginFldselectdis").innerHTML=titleName;LoginSelectClose();};function openLoginType(){if(document.showLogin.username.value!=""&&document.showLogin.username.value.indexOf("@")==-1&&$("loginFldselectdis").innerHTML=="选择去向"){$("loginFldselectop").style.display="block";addEvent(document.body,"mousedown",LoginSelectClickOther);}}
function addEvent(node,type,listener){if(!(node=$(node)))return false;if(node.addEventListener){node.addEventListener(type,listener,false);return true;}else if(node.attachEvent){node['e'+type+listener]=listener;node[type+listener]=function(){node['e'+type+listener](window.event);}
node.attachEvent('on'+type,node[type+listener]);return true;}
return false;};function delEvent(node,type,listener){if(!(node=$(node)))return false;if(node.addEventListener){node.addEventListener(type,listener,false);return true;}else if(node.attachEvent){node['e'+type+listener]=listener;node[type+listener]=function(){node['e'+type+listener](window.event);}
node.attachEvent('on'+type,node[type+listener]);return true;}
return false;};function CMail(mail)
{var re=/^([\.\w-]){1,}@([\w-]){1,}(\.([\w]){2,4}){1,2}$/;if(!re.test(mail)){return false;}
return true;}
var Email={domain:'iresearch.com.cn',show:function(name){location.href='mailto:'+name+'@'+this.domain;},check:function(add){re=/^([\.\w-]){1,}@([\w-]){1,}(\.([\w]){2,4}){1,2}$/;if(!re.test(add)){alert("E-Mail地址填写错误！");return false;}
return true;}}
var QQ={show:function(id){document.write('<a target=blank href=http://wpa.qq.com/msgrd?Uin='+id+'><img SRC="/images/qq.gif" alt="\\(^_^)/" border="0" align="absmiddle"></a>');}}

function ResizeImage(obj, MaxW, MaxH)
{
    if (obj != null) imageObject = obj;
    var state=imageObject.readyState;
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW=oldImage.width; var dH=oldImage.height;
    if(dW>MaxW || dH>MaxH) {
        a=dW/MaxW; b=dH/MaxH;
        if(b>a) a=b;
        dW=dW/a; dH=dH/a;
    }
    if(dW > 0 && dH > 0)
        imageObject.width=dW;imageObject.height=dH;
    if(state!='complete' || imageObject.width>MaxW || imageObject.height>MaxH) {
        setTimeout("ResizeImage(null,"+MaxW+","+MaxH+")",40);
    }
}