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View Full Version : Please HELP I cannot edit this



TheLastMohican
01-27-2009, 10:00 PM
Hi my friends
I like this javascript, but I cannot add, in my asp form.
I need to add some extra input field but when add to fields the script is not working.
how I can do it?
The code is here..
http://www.joshua.org.cn/post/2008/05/Dynamic-Inline-JavaScript-Form-Validation.aspx



// form validation function //
function validate(form) {
var name = form.name.value;
var email = form.email.value;
var gender = form.gender.value;
var message = form.message.value;
var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
if(name == "") {
inlineMsg('name','You must enter your name.',2);
return false;
}
if(!name.match(nameRegex)) {
inlineMsg('name','You have entered an invalid name.',2);
return false;
}
if(email == "") {
inlineMsg('email','<strong>Error</strong><br />You must enter your email.',2);
return false;
}
if(!email.match(emailRegex)) {
inlineMsg('email','<strong>Error</strong><br />You have entered an invalid email.',2);
return false;
}
if(gender == "") {
inlineMsg('gender','<strong>Error</strong><br />You must select your gender.',2);
return false;
}
if(message == "") {
inlineMsg('message','You must enter a message.');
return false;
}
if(message.match(messageRegex)) {
inlineMsg('message','You have entered an invalid message.');
return false;
}
return true;
}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
var msg;
var msgcontent;
if(!document.getElementById('msg')) {
msg = document.createElement('div');
msg.id = 'msg';
msgcontent = document.createElement('div');
msgcontent.id = 'msgcontent';
document.body.appendChild(msg);
msg.appendChild(msgcontent);
msg.style.filter = 'alpha(opacity=0)';
msg.style.opacity = 0;
msg.alpha = 0;
} else {
msg = document.getElementById('msg');
msgcontent = document.getElementById('msgcontent');
}
msgcontent.innerHTML = string;
msg.style.display = 'block';
var msgheight = msg.offsetHeight;
var targetdiv = document.getElementById(target);
targetdiv.focus();
var targetheight = targetdiv.offsetHeight;
var targetwidth = targetdiv.offsetWidth;
var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
msg.style.top = topposition + 'px';
msg.style.left = leftposition + 'px';
clearInterval(msg.timer);
msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
if(!autohide) {
autohide = MSGHIDE;
}
window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
var msg = document.getElementById('msg');
if(!msg.timer) {
msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
}
}

// face the message box //
function fadeMsg(flag) {
if(flag == null) {
flag = 1;
}
var msg = document.getElementById('msg');
var value;
if(flag == 1) {
value = msg.alpha + MSGSPEED;
} else {
value = msg.alpha - MSGSPEED;
}
msg.alpha = value;
msg.style.opacity = (value / 100);
msg.style.filter = 'alpha(opacity=' + value + ')';
if(value >= 99) {
clearInterval(msg.timer);
msg.timer = null;
} else if(value <= 1) {
msg.style.display = "none";
clearInterval(msg.timer);
}
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
var left = 0;
if(target.offsetParent) {
while(1) {
left += target.offsetLeft;
if(!target.offsetParent) {
break;
}
target = target.offsetParent;
}
} else if(target.x) {
left += target.x;
}
return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
var top = 0;
if(target.offsetParent) {
while(1) {
top += target.offsetTop;
if(!target.offsetParent) {
break;
}
target = target.offsetParent;
}
} else if(target.y) {
top += target.y;
}
return top;
}

// preload the arrow //
if(document.images) {
arrow = new Image(7,80);
arrow.src = "images/msg_arrow.gif";
}



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