<script language="javascript" type="text/javascript">
/* Event Functions */
// Add an event to the obj given
// event_name refers to the event trigger, without the "on", like click or mouseover
// func_name refers to the function callback when event is triggered
function addEvent(obj,event_name,func_name){
if (obj.attachEvent){
obj.attachEvent("on"+event_name, func_name);
}else if(obj.addEventListener){
obj.addEventListener(event_name,func_name,true);
}else{
obj["on"+event_name] = func_name;
}
}
// Removes an event from the object
function removeEvent(obj,event_name,func_name){
if (obj.detachEvent){
obj.detachEvent("on"+event_name,func_name);
}else if(obj.removeEventListener){
obj.removeEventListener(event_name,func_name,true);
}else{
obj["on"+event_name] = null;
}
}
// Stop an event from bubbling up the event DOM
function stopEvent(evt){
evt || window.event;
if (evt.stopPropagation){
evt.stopPropagation();
evt.preventDefault();
}else if(typeof evt.cancelBubble != "undefined"){
evt.cancelBubble = true;
evt.returnValue = false;
}
return false;
}
// Get the obj that starts the event
function getElement(evt){
if (window.event){
return window.event.srcElement;
}else{
return evt.currentTarget;
}
}
// Get the obj that triggers off the event
function getTargetElement(evt){
if (window.event){
return window.event.srcElement;
}else{
return evt.target;
}
}
// For IE only, stops the obj from being selected
function stopSelect(obj){
if (typeof obj.onselectstart != 'undefined'){
addEvent(obj,"selectstart",function(){ return false;});
}
}
/* Caret Functions */
// Get the end position of the caret in the object. Note that the obj needs to be in focus first
function getCaretEnd(obj){
if(typeof obj.selectionEnd != "undefined"){
return obj.selectionEnd;
}else if(document.selection&&document.selection.createRange){
var M=document.selection.createRange();
try{
var Lp = M.duplicate();
Lp.moveToElementText(obj);
}catch(e){
var Lp=obj.createTextRange();
}
Lp.setEndPoint("EndToEnd",M);
var rb=Lp.text.length;
if(rb>obj.value.length){
return -1;
}
return rb;
}
}
// Get the start position of the caret in the object
function getCaretStart(obj){
if(typeof obj.selectionStart != "undefined"){
return obj.selectionStart;
}else if(document.selection&&document.selection.createRange){
var M=document.selection.createRange();
try{
var Lp = M.duplicate();
Lp.moveToElementText(obj);
}catch(e){
var Lp=obj.createTextRange();
}
Lp.setEndPoint("EndToStart",M);
var rb=Lp.text.length;
if(rb>obj.value.length){
return -1;
}
return rb;
}
}
// sets the caret position to l in the object
function setCaret(obj,l){
obj.focus();
if (obj.setSelectionRange){
obj.setSelectionRange(l,l);
}else if(obj.createTextRange){
m = obj.createTextRange();
m.moveStart('character',l);
m.collapse();
m.select();
}
}
// sets the caret selection from s to e in the object
function setSelection(obj,s,e){
obj.focus();
if (obj.setSelectionRange){
obj.setSelectionRange(s,e);
}else if(obj.createTextRange){
m = obj.createTextRange();
m.moveStart('character',s);
m.moveEnd('character',e);
m.select();
}
}
/* Escape function */
String.prototype.addslashes = function(){
return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');
}
String.prototype.trim = function () {
return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
};
/* --- Escape --- */
/* Offset position from top of the screen */
function curTop(obj){
toreturn = 0;
while(obj){
toreturn += obj.offsetTop;
obj = obj.offsetParent;
}
return toreturn;
}
function curLeft(obj){
toreturn = 0;
while(obj){
toreturn += obj.offsetLeft;
obj = obj.offsetParent;
}
return toreturn;
}
/* ------ End of Offset function ------- */
/* Types Function */
// is a given input a number?
function isNumber(a) {
return typeof a == 'number' && isFinite(a);
}
/* Object Functions */
function replaceHTML(obj,text){
while(el = obj.childNodes[0]){
obj.removeChild(el);
};
obj.appendChild(document.createTextNode(text));
}
</script>