global.js
上传用户:huijianzhu
上传日期:2009-11-25
资源大小:9825k
文件大小:13k
- function MM_preloadImages() { //v3.0
- var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
- var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
- if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
- }
- function MM_swapImgRestore() { //v3.0
- var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
- }
- function MM_findObj(n, d) { //v4.01
- var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
- d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
- if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
- for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
- if(!x && d.getElementById) x=d.getElementById(n); return x;
- }
- function MM_swapImage() { //v3.0
- var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
- if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
- }
- /* This function is used to change the style class of an element */
- function swapClass(obj, newStyle) {
- obj.className = newStyle;
- }
- function isUndefined(value) {
- var undef;
- return value == undef;
- }
- /* Function for showing and hiding elements that use 'display:none' to hide */
- function toggleDisplay(targetId)
- {
- if (document.getElementById) {
- target = document.getElementById(targetId);
- if (target.style.display == "none"){
- target.style.display = "";
- } else {
- target.style.display = "none";
- }
- }
- }
- // toggle visibility
- function toggleVisibility(targetId) {
- if (document.getElementById) {
- target = document.getElementById(targetId);
- if (target.style.visibility == "hidden"){
- target.style.visibility = "visible";
- } else {
- target.style.visibility = "hidden";
- }
- }
- }
- function checkAll(theForm) { // check all the checkboxes in the list
- for (var i=0;i<theForm.elements.length;i++) {
- var e = theForm.elements[i];
- var eName = e.name;
- if (eName != 'allbox' &&
- (e.type.indexOf("checkbox") == 0)) {
- e.checked = theForm.allbox.checked;
- }
- }
- }
- /* Function to clear a form of all it's values */
- function clearForm(frmObj) {
- for (var i = 0; i < frmObj.length; i++) {
- var element = frmObj.elements[i];
- if(element.type.indexOf("text") == 0 ||
- element.type.indexOf("password") == 0) {
- element.value="";
- } else if (element.type.indexOf("radio") == 0) {
- element.checked=false;
- } else if (element.type.indexOf("checkbox") == 0) {
- element.checked = false;
- } else if (element.type.indexOf("select") == 0) {
- for(var j = 0; j < element.length ; j++) {
- element.options[j].selected=false;
- }
- element.options[0].selected=true;
- }
- }
- }
- /* Function to get a form's values in a string */
- function getFormAsString(frmObj) {
- var query = "";
- for (var i = 0; i < frmObj.length; i++) {
- var element = frmObj.elements[i];
- if (element.type.indexOf("checkbox") == 0 ||
- element.type.indexOf("radio") == 0) {
- if (element.checked) {
- query += element.name + '=' + escape(element.value) + "&";
- }
- } else if (element.type.indexOf("select") == 0) {
- for (var j = 0; j < element.length ; j++) {
- if (element.options[j].selected) {
- query += element.name + '=' + escape(element.value) + "&";
- }
- }
- } else {
- query += element.name + '='
- + escape(element.value) + "&";
- }
- }
- return query;
- }
- /* Function to hide form elements that show through
- the search form when it is visible */
- function toggleForm(frmObj, iState) // 1 visible, 0 hidden
- {
- for(var i = 0; i < frmObj.length; i++) {
- if (frmObj.elements[i].type.indexOf("select") == 0 || frmObj.elements[i].type.indexOf("checkbox") == 0) {
- frmObj.elements[i].style.visibility = iState ? "visible" : "hidden";
- }
- }
- }
- /* Helper function for re-ordering options in a select */
- function opt(txt,val,sel) {
- this.txt=txt;
- this.val=val;
- this.sel=sel;
- }
- /* Function for re-ordering <option>'s in a <select> */
- function move(list,to) {
- var total=list.options.length;
- index = list.selectedIndex;
- if (index == -1) return false;
- if (to == +1 && index == total-1) return false;
- if (to == -1 && index == 0) return false;
- to = index+to;
- var opts = new Array();
- for (i=0; i<total; i++) {
- opts[i]=new opt(list.options[i].text,list.options[i].value,list.options[i].selected);
- }
- tempOpt = opts[to];
- opts[to] = opts[index];
- opts[index] = tempOpt
- list.options.length=0; // clear
-
- for (i=0;i<opts.length;i++) {
- list.options[i] = new Option(opts[i].txt,opts[i].val);
- list.options[i].selected = opts[i].sel;
- }
-
- list.focus();
- }
- /* This function is to select all options in a multi-valued <select> */
- function selectAll(elementId) {
- var element = document.getElementById(elementId);
- len = element.length;
- if (len != 0) {
- for (i = 0; i < len; i++) {
- element.options[i].selected = true;
- }
- }
- }
- /* This function is used to select a checkbox by passing
- * in the checkbox id
- */
- function toggleChoice(elementId) {
- var element = document.getElementById(elementId);
- if (element.checked) {
- element.checked = false;
- } else {
- element.checked = true;
- }
- }
- /* This function is used to select a radio button by passing
- * in the radio button id and index you want to select
- */
- function toggleRadio(elementId, index) {
- var element = document.getElementsByName(elementId)[index];
- element.checked = true;
- }
- /* This function is used to open a pop-up window */
- function openWindow(url, winTitle, winParams) {
- winName = window.open(url, winTitle, winParams);
- winName.focus();
- }
- /* This function is to open search results in a pop-up window */
- function openSearch(url, winTitle) {
- var screenWidth = parseInt(screen.availWidth);
- var screenHeight = parseInt(screen.availHeight);
- var winParams = "width=" + screenWidth + ",height=" + screenHeight;
- winParams += ",left=0,top=0,toolbar,scrollbars,resizable,status=yes";
- openWindow(url, winTitle, winParams);
- }
- /* This function is used to set cookies */
- function setCookie(name,value,expires,path,domain,secure) {
- document.cookie = name + "=" + escape (value) +
- ((expires) ? "; expires=" + expires.toGMTString() : "") +
- ((path) ? "; path=" + path : "") +
- ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
- }
- /* This function is used to get cookies */
- function getCookie(name) {
- var prefix = name + "="
- var start = document.cookie.indexOf(prefix)
- if (start==-1) {
- return null;
- }
-
- var end = document.cookie.indexOf(";", start+prefix.length)
- if (end==-1) {
- end=document.cookie.length;
- }
- var value=document.cookie.substring(start+prefix.length, end)
- return unescape(value);
- }
- /* This function is used to delete cookies */
- function deleteCookie(name,path,domain) {
- if (getCookie(name)) {
- document.cookie = name + "=" +
- ((path) ? "; path=" + path : "") +
- ((domain) ? "; domain=" + domain : "") +
- "; expires=Thu, 01-Jan-70 00:00:01 GMT";
- }
- }
- // This function is for stripping leading and trailing spaces
- function trim(str) {
- if (str != null) {
- var i;
- for (i=0; i<str.length; i++) {
- if (str.charAt(i)!=" ") {
- str=str.substring(i,str.length);
- break;
- }
- }
-
- for (i=str.length-1; i>=0; i--) {
- if (str.charAt(i)!=" ") {
- str=str.substring(0,i+1);
- break;
- }
- }
-
- if (str.charAt(0)==" ") {
- return "";
- } else {
- return str;
- }
- }
- }
- // This function is used by the login screen to validate user/pass
- // are entered.
- function validateRequired(form) {
- var bValid = true;
- var focusField = null;
- var i = 0;
- var fields = new Array();
- oRequired = new required();
-
- for (x in oRequired) {
- if ((form[oRequired[x][0]].type == 'text' || form[oRequired[x][0]].type == 'textarea' || form[oRequired[x][0]].type == 'select-one' || form[oRequired[x][0]].type == 'radio' || form[oRequired[x][0]].type == 'password') && form[oRequired[x][0]].value == '') {
- if (i == 0)
- focusField = form[oRequired[x][0]];
-
- fields[i++] = oRequired[x][1];
-
- bValid = false;
- }
- }
-
- if (fields.length > 0) {
- focusField.focus();
- alert(fields.join('n'));
- }
-
- return bValid;
- }
- // This function is a generic function to create form elements
- function createFormElement(element, type, name, id, value, parent) {
- var e = document.createElement(element);
- e.setAttribute("name", name);
- e.setAttribute("type", type);
- e.setAttribute("id", id);
- e.setAttribute("value", value);
- parent.appendChild(e);
- }
- function confirmDelete(obj) {
- var msg = "Are you sure you want to delete this " + obj + "?";
- ans = confirm(msg);
- if (ans) {
- return true;
- } else {
- return false;
- }
- }
- function highlightTableRows(tableId) {
- var previousClass = null;
- var table = document.getElementById(tableId);
- var tbody = table.getElementsByTagName("tbody")[0];
- if (tbody == null) {
- var rows = table.getElementsByTagName("tr");
- } else {
- var rows = tbody.getElementsByTagName("tr");
- }
- // add event handlers so rows light up and are clickable
- for (i=0; i < rows.length; i++) {
- rows[i].onmouseover = function() { previousClass=this.className;this.className+=' over' };
- rows[i].onmouseout = function() { this.className=previousClass };
- rows[i].onclick = function() {
- var cell = this.getElementsByTagName("td")[0];
- var link = cell.getElementsByTagName("a")[0];
- location.href = link.getAttribute("href");
- this.style.cursor="wait";
- }
- }
- }
- function highlightFormElements() {
- // add input box highlighting
- addFocusHandlers(document.getElementsByTagName("input"));
- addFocusHandlers(document.getElementsByTagName("textarea"));
- }
- function addFocusHandlers(elements) {
- for (i=0; i < elements.length; i++) {
- if (elements[i].type != "button" && elements[i].type != "submit" &&
- elements[i].type != "reset" && elements[i].type != "checkbox") {
- elements[i].onfocus=function() {this.className='focus';this.select()};
- elements[i].onclick=function() {this.select()};
- elements[i].onblur=function() {this.className=''};
- }
- }
- }
- function radio(clicked){
- var form = clicked.form;
- var checkboxes = form.elements[clicked.name];
- if (!clicked.checked || !checkboxes.length) {
- clicked.parentNode.parentNode.className="";
- return false;
- }
- for (i=0; i<checkboxes.length; i++) {
- if (checkboxes[i] != clicked) {
- checkboxes[i].checked=false;
- checkboxes[i].parentNode.parentNode.className="";
- }
- }
- // highlight the row
- clicked.parentNode.parentNode.className="over";
- }
- window.onload = highlightFormElements;
- // Show the document's title on the status bar
- window.defaultStatus=document.title;