Alert Box Comes Up Twice?

Oct 30, 2010

I am validating the value in a text area onBlur. If the value is not good the alert box comes up twice. Is there a way to correct this?

<html>
<head>
<meta http-equiv=Content-Type content="text/html; charset=ISO-8859-1">
<title>Untitled</title>

[Code].....

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heres my code:

Code:
<script language="JavaScript">
var checkobj
function agreesubmit(el){[code]....

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I have been working on this for a month now as an exercise (I am a beginner) and I am still having problems. Every time I get a user to fully validate all information I keep getting an empty alert box. Why is it showing up empty and not with a total amount? Im 95% sure my code is correct.

Code:

<html>
<head>
<script language="javascript" type="text/javascript">
//function to show province

[Code].....

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Exactly as it is done in this forum ;)

[URL]

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Jan 3, 2010

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Here is the code for the script:

Okay I've done this code , and variations and only have ended up with the same message in firefox "syntax error""quirks mode".In IE 8 I get messages to cryptic to understand.

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Dec 13, 2006

I have the following code somewhat working:

function customerAdd(form){
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}
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isActive.style.color = "red";
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What I meant by somewhat working was that the code actually changes the color of the selected "id" when the fields are empty or have not been selected, but when all the required fields are selected the form doesn't do anything. I knwo it has to do with the return false;

How can I get this to work so that if the user doesn't fill out the required fields they would be highlighted and if everything is filled out the form will submit? I had the code working before with alert boxes, but I wanted to do something different with the way the validation worked rather than having the alert box pop up for each missed field.

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Dec 15, 2006

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Custom Alert Box

May 9, 2007

I've tested it in most recent versions of IE, FF, Opera, and Safari.

The first parameter is the alert's text, if a second parameter is passed, it is the alert's title, else it will just have "Alert" in the title.

You can fire the function as many times as you like, any alert's thrown after the first will set themselves on top of each other slightly staggered much like the built in alert.

The alert will automatically be placed in a visible place regardless of where the page has scrolled. They will also stay in that same place in relation to the screen if the user scrolls after the alert has fired.

The top most alert is the only one clickable and moveable until it has been acknowledged (Much like a regular alert).

The benefit of this is that it does not freeze the user's interface once the alert is thrown.

Here's the code:

Javascript:

//*****************************
// Custom Alert Box
// Free to use with credits in tact.
// Written By Adam Matthews aka Basscyst
//AdamDMatthews@Gmail.com
//*****************************
function msgBox(msg,hdr){
if(!document.getElementById('alerts')){
var div=document.createElement('div');
div.setAttribute('id','alerts');
document.body.appendChild(div);
}
var div=document.createElement('div');
div.className="alertbox";
var h3=document.createElement('h3');
h3.className="alerttitle";
var p=document.createElement('p');
p.className="alerttxt";
var footdiv=document.createElement('p');
footdiv.className="alertfoot";
div.appendChild(h3);
div.appendChild(p);
div.appendChild(footdiv);
var but=document.createElement('input');
but.setAttribute('type','button');
but.className='alertbut'
but.setAttribute('value','OK');
footdiv.appendChild(but);
var hdr=(hdr) ? hdr : "Alert!";
h3.appendChild(document.createTextNode(hdr));
var cut=msg.split("
");
var len=cut.length;
p.appendChild(document.createTextNode(cut[0]));
for(var i=1;i<len;i++){
p.appendChild(document.createElement('br'));
p.appendChild(document.createTextNode(cut[i]));
}
document.getElementById('alerts').appendChild(div);
window.onscroll=function(){
placeAlerts();
}
window.onresize=function(){
placeAlerts();
}
placeAlerts();
}
var posX;
var posY;
function mouseXY(e){
if (!e){
var e = window.event;
}
if (e.clientX)
{
posX = e.clientX + document.documentElement.scrollLeft;
posY = e.clientY + document.documentElement.scrollTop;
}
else
{
posX = Math.max(e.pageX,0);
posY = Math.max(e.pageY,0);
}
var coord=new Array();
return coord;
}
if(document.captureEvents){
document.captureEvents(Event.MOUSEMOVE)
}
function placeAlerts(){
var alerts=document.getElementById('alerts').getElementsByTagName('div');
var len=alerts.length;
var x=0;
var y=300;
var w=document.body.clientWidth;
var h=document.body.clientHeight;
for(var i=0;i<len;i++){
alerts[i].style.zIndex=i+100;
alerts[i].getElementsByTagName('h3')[0].onmousedown="";
alerts[i].getElementsByTagName('input')[0].onclick="";

if(window.pageYOffset){
alerts[i].style.top=y+(window.pageYOffset)+'px'
}else{
alerts[i].style.top=y+(document.documentElement.scrollTop)+'px'
}
alerts[i].style.left=(w / 2)- (343 / 2) + x +'px';
x=x+15;
y=y+15;
if(i==len-1){
var h3=alerts[i].getElementsByTagName('h3')[0];
var but=alerts[i].getElementsByTagName('input')[0];
but.onclick=function(){
this.parentNode.parentNode.parentNode.removeChild(this.parentNode.parentNode);
var alerts=document.getElementById('alerts').getElementsByTagName('div');
if(alerts.length==0){
window.onscroll="";
}
placeAlerts();
}
h3.onmousedown=function(event){
this.parentNode.setAttribute('id','active_alert');
var event=(event)?event:arguments[0];
mouseXY(event);
start_x=posX;
start_left=document.getElementById('active_alert').style.left.replace('px','');
adjust=posX-start_left;
document.onmousemove=function(event){
var event=(event)?event:arguments[0];
mouseXY(event);
var obj=document.getElementById('active_alert');
obj.style.left=posX-adjust+'px'
obj.style.top=posY-5+'px'
};
}
h3.onmouseup=function(){
document.onmousemove="";
this.parentNode.setAttribute('id','');
}
}
}
}

Function Call

msgBox("You have done something real bad!
So Bad, oh so bad!","Ya shoudn't of done it boy!")


CSS

.alertbox{
width:344px;
position:absolute;
padding:0px;
margin:0px;
border:solid 1px #FFFFFF;
}
.alerttitle{
background-color:#9B1317;
color:#FFFFFF;
font-size:12px;
width:344px;
cursor:pointer;
text-align:center;
margin:0px;
padding:0px;
}
.alerttxt{
background-color:#E7EFF7;
margin:0px;
font-size:11px;
text-align:center;
padding:0px;
width:344px;
}
.alertfoot{
background-color:#9B1317;
text-align:center;
width:344px;
margin:0px;
padding:0px;
}
.alertbut{
margin-top:2px;
cursor:pointer;
}

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Oct 22, 2005

Ok i want to name an alert so that It can be called upon without being in a function. Code is as follows:

<html>
<head>
<title>
Sign In page
</title>

<script type="text/javascript">
function AccessText()
{
return document.getElementById("FirstName")
}
</script>
<script type="text/javascript">
{
window.alert("Welcome, "+document.getElementById("FirstName")+" you are signed in")
}
</script>
</head>
<body>
<form>
<input type="text" id="FirstName" value="Enter your first name">
<input type="button" value="Sign In" onclick="">
</form>
</body>
</html>

OK so how would I assign the window.alert a name?? So that I can access it with the onclick feature? Thank you.

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Nov 1, 2005

alert("Value is " + array[4]);

It just says "Value is undefined" but I have put a value in array[4]

please can anyone help?

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May 3, 2006

Can I limit the number of times an "alert" is activated.

I have a button which a user is likely to click more than once. The user needs to be aware of some facts, so I have an "alert" set up.

But I don't want them to have to view the "alert" every time they click the button.

Is it possible to have the "alert" appear only once.

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I have an Ajax Tab Panel on my webpage with three tabs in it.On my first tab i have some textboxes.Now I want to give Alert message to user if user navigates to another tab after changing value of any of the text box.I want to perform this task using Javascript if possible.Or else any other solutions are acceptable.Below Image shows my tab panel structure

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