ajax_im.js

ajax 聊天室,实现多人聊天,无刷新!

   } else {
      error = 'The "Current Password" you entered is invalid.';
   }
   if(error.length > 0) {
      $('changepass_error_msg').innerHTML = error;
   }
}

function insertText(tti) {
   $(toWin + '_sendBox').value += tti;
   setTimeout("$('" + toWin + "_sendBox').focus();", 125);
   toggleEmoticonList();
   return false;
}

function setFont(fontname) {
   $(toWin + '_sendBox').style.display = 'none';
   $(toWin + '_sendBox').style.fontFamily = fontname + ', sans-serif';
   $(toWin + '_setFont').innerHTML = fontname;
   $(toWin + '_sendBox').style.display = 'block';
   setTimeout("$('" + toWin + "_sendBox').focus();", 125);
   toggleFontList('');
}

function setFontSize(size) {
   $(toWin + '_sendBox').style.display = 'none';
   $(toWin + '_sendBox').style.fontSize = size + 'px';
   $(toWin + '_setFontSize').innerHTML = size;
   $(toWin + '_sendBox').style.display = 'block';
   setTimeout("$('" + toWin + "_sendBox').focus();", 125);
   toggleFontSizeList('');
}

function setFontColor(color) {
   $(toWin + '_sendBox').style.color = color;
   $(toWin + '_setFontColorColor').style.backgroundColor = color;
   setTimeout("$('" + toWin + "_sendBox').focus();", 125);
   toggleFontColorList('');
}

function setStatus(status, away_msg) {
   if(status == 1) { // away
      isAway = 1;
      awayMessage = away_msg;
      $('curStatus').innerHTML = awayMessage.substring(0, 30) + (awayMessage.length > 30 ? '...' : '');
   } else { // back
      isAway = status; // 0 for avail, 99 for "friends only", 49 for "invisible"
      awayMessage = '';
      $('curStatus').innerHTML = away_msg;
   }
   $('statusList').style.display = 'none';
}

function customAway() {
   $('curStatus').style.display = 'none';
   $('customStatus').style.display = 'block';
   $('customStatus').focus();
}

function processCustomAway(e) {
   var asc = document.all ? event.keyCode : e.which;
   
   if(asc == 13) {
      isAway = 1;
      awayMessage = $('customStatus').value;
      $('curStatus').innerHTML = awayMessage.substring(0, 30) + (awayMessage.length > 30 ? '...' : '');
      $('curStatus').style.display = 'block';
      $('customStatus').style.display = 'none';      
   }
   return asc != 13;
}

function toggleAudio() {
   if(audioNotify == true) {
      audioNotify = false;
      $('toggleaudio').src = 'images/'+windowCSS+'/audio_off.png';
   } else {
      audioNotify = true;
      $('toggleaudio').src = 'images/'+windowCSS+'/audio_on.png';
   }
}

function toggleBold(name) {
   $(name + '_sendBox').style.display = 'none'; // horrah weird Opera 9 input refresh!
   if($(name + '_sendBox').style.fontWeight == '400') {
      $(name + '_bold').src = 'images/' + windowCSS + '/bold_on.png';
      $(name + '_sendBox').style.fontWeight = '700';
   } else {
      $(name + '_sendBox').style.fontWeight = '400';
      $(name + '_bold').src = 'images/' + windowCSS + '/bold_off.png';
   }
   $(name + '_sendBox').style.display = 'block'; // horrah weird Opera 9 input refresh!
   setTimeout("$('" + name + "_sendBox').focus();", 125);
}
   
function toggleItalic(name) {
   $(name + '_sendBox').style.display = 'none'; // horrah weird Opera 9 input refresh!
   if($(name + '_sendBox').style.fontStyle == 'normal') {
      $(name + '_sendBox').style.fontStyle = 'italic';
      $(name + '_italic').src = 'images/' + windowCSS + '/italic_on.png';
   } else {
      $(name + '_sendBox').style.fontStyle = 'normal';
      $(name + '_italic').src = 'images/' + windowCSS + '/italic_off.png';
   }
   $(name + '_sendBox').style.display = 'block'; // horrah weird Opera 9 input refresh!
   setTimeout("$('" + name + "_sendBox').focus();", 125);
} 

function toggleUnderline(name) {
   $(name + '_sendBox').style.display = 'none'; // horrah weird Opera 9 input refresh!
   if($(name + '_sendBox').style.textDecoration == 'none') {
      $(name + '_sendBox').style.textDecoration = 'underline';
      $(name + '_underline').src = 'images/' + windowCSS + '/underline_on.png';
   } else {
      $(name + '_sendBox').style.textDecoration = 'none';
      $(name + '_underline').src = 'images/' + windowCSS + '/underline_off.png';
   }
   $(name + '_sendBox').style.display = 'block'; // horrah weird Opera 9 input refresh!
   setTimeout("$('" + name + "_sendBox').focus();", 125);
}

function titlebarBlink(name, message, alter) {
   if(titlebarBlinker == false) {
      document.title = defaultTitle;
      return;
   }
   
   if(IMWindows[name].popup) {
      IMWindows[name].popup.titlebarBlink(name, message, alter);
      return;
   }
   
   if(alter == 0) {
      document.title = name + '!';
      blinkerTimer = setTimeout("titlebarBlink('"+name+"', '"+message+"', 1)", 1000);
   } else if(alter == 1) {
      document.title = '"' + message.substring(0, 10) + (message.length > 10 ? '...' : '') + '"';
      blinkerTimer = setTimeout("titlebarBlink('"+name+"', '"+message+"', 2)", 1000);
   } else if(alter == 2) {
      document.title = defaultTitle;
      blinkerTimer = setTimeout("titlebarBlink('"+name+"', '"+message+"', 0)", 1000);
   }
}

function blinkerOn(onoff) {
   if(onoff == true)
      titlebarBlinker = true;
   else
      titlebarBlinker = false;
}

function buttonHover(el) {
   var newsrc = el.src;
   newsrc = newsrc.replace(/_hover/, '');
   el.src = newsrc.replace(/\.png/, '_hover.png');
}

function buttonDown(el) {
   el.src = el.src.replace(/_hover\.png/, '_down.png');
}

function buttonNormal(el) {
   el.src = el.src.replace(/\_hover.png/, '.png').replace(/\_down.png/, '.png');
}

function browserWidth() {
   if (self.innerWidth) {
      return self.innerWidth;
   } else if (document.documentElement && document.documentElement.clientWidth) {
      return document.documentElement.clientWidth;
   } else if (document.body) {
      return document.body.clientWidth;
   }
   return 630;
}

function browserHeight() {
   if (self.innerWidth) {
      return self.innerHeight;
   } else if (document.documentElement && document.documentElement.clientWidth) {
      return document.documentElement.clientHeight;
   } else if (document.body) {
      return document.body.clientHeight;
   }
   return 470;
}

function randomNumber(max) {
   return Math.round(Math.random()*max);
}

function checkEmailAddr( email ) {
   var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
   if (filter.test(email)) return true;
   else return false;
}

function getElementsByCondition(condition, container) {
   container = container||document;
   var all = container.all||container.getElementsByTagName('*');
   var arr = [];
   for(var k=0;k<all.length;k++) {
      var elm = all[k];
      if(condition(elm,k))
         arr[arr.length] = elm;
   }
   return arr;
}

function getElementsByClass(node, searchClass, tag) {
   var classElements = [];
   var els = node.getElementsByTagName(tag); // use "*" for all elements
   var elsLen = els.length;
   var pattern = new RegEx("\\b"+searchClass+"\\b");
   for (i = 0, j = 0; i < elsLen; i++) {
      if ( pattern.test(els[i].className) ) {
         classElements[j] = els[i];
         j++;
      }
   }
   return classElements;
}

function isDefined(variable) {
   return (typeof(variable) == "undefined") ? false : true;
}

function inArray(arr, value)
// Returns true if the passed value is found in the
// array.  Returns false if it is not.
{
   var i;
   for (var group in arr) {
     // Matches identical (===), not just similar (==).
      for(i=0; i<arr[group].length; i++) {
         if(arr[group][i] === value)
            return true;
      }
   }
   return false;
};

function addOption(selectbox,text,value) {
   if(!isIE && !window.opera) {
      selectbox.innerHTML += '<option value="' + value + '">' + text + '</option>';
   } else {
      var optn = document.createElement("OPTION");
      optn.text = text;
      optn.value = value;
      var res = selectbox.options.add(optn);
   }
}

function removeItems(array, item) {
   var i = 0;
   while (i < array.length) {
      if (array[i] == item) {
         array.splice(i, 1);
      } else {
         i++;
      }
   }
   return array;
}

function removeAllOptions(selectbox) {
   var i;
   for(i=selectbox.options.length-1;i>=0;i--) {
      selectbox.remove(i);
   }
}

function removeOptions(selectbox, val) {
   var i;
   for(i=selectbox.options.length-1;i>=0;i--) {
      if(selectbox.options[i].value === val)
         selectbox.remove(i);
   }
}

String.prototype.isAlphaNumeric = function() {return /^[a-z0-9_\d]+$/.test (this)};

function Debug() {
   this.create = function() {
      createIMWindow('Debug', 'Debug');
   }
   
   this.write = function(text) {
      $('Debug_rcvd').innerHTML += text + "<br>\n";
   }
}