函数WebForm_PostBackOptions（eventTarget、eventArgument、validation、validationGroup、actionUrl、trackFocus、clientSubmit）{this.eventTarget=eventTarget；this.eventArgument=eventArgument；this.validationGroup=validationGroup；this.actionUrl=actionUrl；this.trackFocus=trackFocus；this.clientSubmit=clientSubmit；}函数WebForm_DoPostBackWithOptions（options）{var validationResult=true；if（options.validation）{if（typeof（Page_ClientValidate）==“function”）{validationResult=Page_ClientValidate（options.validationGroup）；}}if（validationResult）{if（（typeof（options.actionUrl）！=“undefined”）&&（options.actionUrl！=null）&（options.actionUrl.length>0））{theForm.action=options.actionUrl；}if（options.trackFocus）{var lastFocus=theForm.elements）[“uu LASTFOCUS”]；if（（typeof（LASTFOCUS）！=“未定义的”）&（LASTFOCUS！=null））{if（typeof（document.activeElement）=“未定义的”）{LASTFOCUS.value=options.eventTarget；}else{var active=document.activeElement；if（（typeof（active）！=“未定义的”）&（active！=null））{if（（typeof（active.id）！“未定义的”）&（active.id）&&（active.id.length>0））{lastFocus.value=active.id；}else if（typeof（active.name）！=“undefined”）{lastFocus.value=active.name；}}}}}}if（options.clientSubmit）{doPostBack（options.eventTarget，options.eventArgument）；}var_upendingCallbacks=new Array（）；var_usynchronousCallbackindex=-1；函数WebForm_DoCallback（eventTarget、eventArgument、eventCallback、context、errorCallback、useanc）{var postData=uu theFormPostData+“uu CALLBACKID=“+WebForm_uencodecallback（eventTarget）+”和uuu CALLBACKPARAM=“+WebForm_uencodecallback（eventArgument）；if（theForm[“uuuu EVENTVALIDATION”]）{postData+=”和uuu EVENTVALIDATION=“+WebForm EncodeCallback（theForm[”__EVENTVALIDATION“].value）；}var xmlRequest，e；try{xmlRequest=new XMLHttpRequest（）；}catch（e）{try{xmlRequest=new ActiveXObject（“Microsoft.XMLHTTP”）；}catch（e）{}var setRequestHeaderMethodExists=true；try{setRequestHeaderMethodExists=（xmlRequest&&xmlRequest.setRequestHeader）；}catch（e）{var callback=new Object（）；callback.eventCallback=eventCallback；callback.context=context；callback.errorCallback=errorCallback；callback.async=useAsync；var callbackIndex=WebForm\u FillFirstAvailableSlot（uu pendingCallbacks，callback）；if（！useannc）{if（u synchronousCallBackIndex！=-1）{uu pendingCallbacks[u synchronousCallBackIndex]=null；}_uusynchronouscallbackindex=callbackIndex；}if（setRequestHeaderMethodExists）{xmlRequest.onreadystatechange=WebForm\u CallbackComplete；callback.xmlRequest=xmlRequest；//例如http:var action=theForm.action | | | document.location.pathname，fragmentIndex=action.indexOf（'.#'）；if（fragmentIndex！=-1）{action=action.substr（0，fragmentIndex）；}if（！u NonsDomBrowser）{var domain=“”；var path=action；var query=“”；var queryIndex=action.indexOf（'？'）；if（queryIndex！==-1）{query=action.substr（queryIndex）；path=action.substr（0，queryIndex）；}if（path.indexOf（“%”）==-1）{//域可能存在，也可能不存在（例如，“foo.aspx”的操作vs“http:if（/^https？\：\/\/.$/gi.test（path））{var-domainPartIndex=path.indexOf（“\/\/”）+2；var-slashAfterDomain=path.indexOf（“/”，domainPartIndex）；if（slashAfterDomain===-1）{//整个url是域（例如：“http:domain=path；path=”“；}否则{domain=path.substr 0，slashAfterDomain）；path=path.substr（slashAfterDomain）；}action=domain+encodeURI（path）+query；}}}xmlRequest.open（“POST”，action，true）；xmlRequest.setRequestHeader（“内容类型”，“应用程序/x-www-form-urlencoded；charset=utf-8”）；xmlRequest.send（postData）；return；}callback.xmlRequest=new Object（）；var callbackFrameID=“\u CALLBACKFRAME+callbackIndex；var xmlRequestFrame=document.frames[callbackFrameID]；if（！xmlRequestFrame）{xmlRequestFrame=document.createElement（“IFRAME”）；xmlRequestFrame.width=“1”；xmlRequestFrame.height=“1”；xmlRequestFrame.frameBorder=“0”；xmlRequestFrame.id=callbackFrameID；xmlRequestFrame.name=callbackFrameID；xmlRequestFrame.style.position=“绝对”；xmlRequestFrame.style.top=“-100px”xmlRequestFrame.style.left=“-100px”；尝试{if（callBackFrameUrl）{xmlRequestFrame.src=callBackFrameUrl；}catch（e）{}document.body.appendChild（xmlRequestFrame）；}var interval=window.setInterval（function（）{xmlRequestFrame=document.frames[callbackFrameID]；if（xmlRequestFrame&&xmlRequestFrame.document）{window.clearInterval（interval）；xmlRequestFrame.document.write（“”）；xmlRequestFrame.document.close（）；xmlRequestFrame.document.write（“”）

'); xmlRequestFrame.document.close（）；xmlRequestFrame.document.forms[0]。action=theForm.action；var count=u theFormPostCollection.length；var元素；对于（var i=0；i= 0) { element.className = WebForm_TrimString(currentClassName.substring(0, index) + ' ' + currentClassName.substring(index + className.length + 1, currentClassName.length)); } } function WebForm_GetElementById(elementId) { if (document.getElementById) { return document.getElementById(elementId); } else if (document.all) { return document.all[elementId]; } else return null; } function WebForm_GetElementByTagName(element, tagName) { var elements = WebForm_GetElementsByTagName(element, tagName); if (elements && elements.length > 0) { return elements[0]; } else return null; } function WebForm_GetElementsByTagName(element, tagName) { if (element && tagName) { if (element.getElementsByTagName) { return element.getElementsByTagName(tagName); } if (element.all && element.all.tags) { return element.all.tags(tagName); } } return null; } function WebForm_GetElementDir(element) { if (element) { if (element.dir) { return element.dir; } return WebForm_GetElementDir(element.parentNode); } return "ltr"; } function WebForm_GetElementPosition(element) { var result = new Object(); result.x = 0; result.y = 0; result.width = 0; result.height = 0; if (element.offsetParent) { result.x = element.offsetLeft; result.y = element.offsetTop; var parent = element.offsetParent; while (parent) { result.x += parent.offsetLeft; result.y += parent.offsetTop; var parentTagName = parent.tagName.toLowerCase(); if (parentTagName != "table" && parentTagName != "body" && parentTagName != "html" && parentTagName != "div" && parent.clientTop && parent.clientLeft) { result.x += parent.clientLeft; result.y += parent.clientTop; } parent = parent.offsetParent; } } else if (element.left && element.top) { result.x = element.left; result.y = element.top; } else { if (element.x) { result.x = element.x; } if (element.y) { result.y = element.y; } } if (element.offsetWidth && element.offsetHeight) { result.width = element.offsetWidth; result.height = element.offsetHeight; } else if (element.style && element.style.pixelWidth && element.style.pixelHeight) { result.width = element.style.pixelWidth; result.height = element.style.pixelHeight; } return result; } function WebForm_GetParentByTagName(element, tagName) { var parent = element.parentNode; var upperTagName = tagName.toUpperCase(); while (parent && (parent.tagName.toUpperCase() != upperTagName)) { parent = parent.parentNode ? parent.parentNode : parent.parentElement; } return parent; } function WebForm_SetElementHeight(element, height) { if (element && element.style) { element.style.height = height + "px"; } } function WebForm_SetElementWidth(element, width) { if (element && element.style) { element.style.width = width + "px"; } } function WebForm_SetElementX(element, x) { if (element && element.style) { element.style.left = x + "px"; } } function WebForm_SetElementY(element, y) { if (element && element.style) { element.style.top = y + "px"; } }