function KillError() { return false; } window.onerror=KillError; var web_url="/"; //运行文本域代码 function runCode(obj) { var winname = window.open('', "_blank", ''); winname.document.open('text/html', 'replace'); winname.opener = null // 防止代码对页面修改 winname.document.write(obj.value); winname.document.close(); } function saveCode(obj) { var winname = window.open('', '_blank', 'top=10000'); winname.document.open('text/html', 'replace'); winname.document.write(obj.value); winname.document.execCommand('saveas','','code.htm'); winname.close(); } function copycode(obj) { obj.select(); js=obj.createTextRange(); js.execCommand("Copy") } function insertTags(tagOpen, tagClose, sampleText) { var txtarea = document.getElementById("memContent"); // IE if(document.selection) { var theSelection = document.selection.createRange().text; if(!theSelection) { theSelection=sampleText;} txtarea.focus(); if(theSelection.charAt(theSelection.length - 1) == " "){ theSelection = theSelection.substring(0, theSelection.length - 1); document.selection.createRange().text = tagOpen + theSelection + tagClose + " "; } else { document.selection.createRange().text = tagOpen + theSelection + tagClose; } // Mozilla } else if(txtarea.selectionStart || txtarea.selectionStart == '0') { var startPos = txtarea.selectionStart; var endPos = txtarea.selectionEnd; var myText = (txtarea.value).substring(startPos, endPos); if(!myText) { myText=sampleText;} if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " "; } else { subst = tagOpen + myText + tagClose; } txtarea.value = txtarea.value.substring(0, startPos) + subst + txtarea.value.substring(endPos, txtarea.value.length); txtarea.focus(); var cPos=startPos+(tagOpen.length+myText.length+tagClose.length); txtarea.selectionStart=cPos; txtarea.selectionEnd=cPos; // All others } else { tagOpen=tagOpen.replace(/\n/g,""); tagClose=tagClose.replace(/\n/g,""); document.infoform.infobox.value=tagOpen+sampleText+tagClose; txtarea.focus(); } if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate(); } //图片缩放 function resizeimg(ImgD,iwidth,iheight) { var image=new Image(); image.src=ImgD.src; if(image.width>0 && image.height>0){ 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; }      ImgD.style.cursor= "pointer"; //改变鼠标指针      ImgD.onclick = function() { window.open(this.src);} //点击打开大图片     if (navigator.userAgent.toLowerCase().indexOf("ie") > -1) { //判断浏览器,如果是IE       ImgD.title = "请使用鼠标滚轮缩放图片!";       ImgD.onmousewheel = function img_zoom() //滚轮缩放       {           var zoom = parseInt(this.style.zoom, 10) || 100; 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