function addEvent(obj,event_name,func_name){
if (obj) {
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;
}
} else {
// Invalid obj was passed in.
// alert('Obj: ' + obj + '\nevent_name: ' + event_name + '\nfunc_name: ' + func_name);
}
}
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;
}
}
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;
}
function getElement(evt){
if (window.event){
return window.event.srcElement;
}else{
return evt.currentTarget;
}
}
function getTargetElement(evt){
if (window.event){
return window.event.srcElement;
}else{
return evt.target;
}
}
function stopSelect(obj){
if (typeof obj.onselectstart != 'undefined'){
addEvent(obj,"selectstart",function(){ return false;});
}
}
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;
}
}
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;
}
}
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();
}
}
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();
}
}
String.prototype.addslashes = function() {
return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');
}
String.prototype.trim = function () {
return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
};
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;
}
function isNumber(a) {
return typeof a == 'number' && isFinite(a);
}
function replaceHTML(obj,text){
while(el = obj.childNodes[0]){
obj.removeChild(el);
};
obj.appendChild(document.createTextNode(text));
}