Print page using javascript

changing input type dynamically

the code is in js
1. var input=document.getElementById(id);
2. var input2= input.cloneNode(false);
3. input2.type=’password’;
4. input.parentNode.replaceChild(input2,input);

Passes parameter to and from popup and parent page

//—-we e in popup window and wanna to show some value from parent window as a preview in popup
document.popupfrm.showDiv.innerHTML=window.opener.
forms.fieldname.value;

validating field in fckeditor using javascript

var EditorInstance = FCKeditorAPI.GetInstance(‘message’) ; //message is name of field to be validate
if(EditorInstance.EditorDocument.body.innerText.length<=0)
{
alert(“This firld is mandatory”);
EditorInstance.EditorDocument.body.focus();
return false;
}

Automatic scroll down div content

function scrollToBottomOfdiv(divID) {
mydiv = document.getElementById(divID);
mydiv.scrollTop = mydiv.scrollHeight;
}

Check all Checkboxes

<script type=”text/javascript”>
function checkAll(fieldName, val)
{
var chkarr = document.getElementsByName(fieldName);
for(r=0;r<chkarr.length;r++)
{
if (val == true)
chkarr[r].checked = true;
else
chkarr[r].checked = false;
}
}
</script>
Check All
Mango
Banana
Apple

Date validation in javacript

validate date format e.g. 12-2-2004,12-11-08
function validateDate()
{
obj=//name of your object
msg=//your mesage comes here
var validNum = /^([0-9]{1,2})-([0-9]{1,2})-([0-9]{2,4})$/;
if (validNum.test(obj.value) == false)
{
alert(msg);
obj.focus();
//obj.select();
return false;
}
return true;
}

Validation of Url

function validateUrl()
{
obj=document.getElementById(‘txtUrl’);
msg=”Enter valid url”;
var urlStr = /^\http\:\/\/[a-zA-Z]{3,}\.[a-zA-Z0-9]{2,}
(\.[a-zA-Z]{2,3}|\.[a-zA-Z]{2,3}\.[a-zA-Z]{2})$/;
if (urlStr.test(obj.value) == false)
{
alert(msg);
obj.focus();
obj.select();
return false;
}
return true;
}

Email validation using javascript

function validateEmail()
{
//name of email input field

obj=document.getElementById(‘txtEmail’);
msg=”Please enter valid email address”;
var emailStr = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z]
[a-zA-Z\.]*[a-zA-Z]$/;
if (emailStr.test(obj.value) == false)
{
alert(msg);
obj.focus();
obj.select();
return false;
}
return true;
}

phone no validation using js

function validatePhone(obj,msg)
{
var validNum =/^[\(]?(\d{0,3})[\)]?[\s]?[\-]?(\d{3})[\s]?[\-]?(\d{4})[\s]?[x]?(\d*)$/;
if (validNum.test(obj.value) == false)
{
alert(msg);
obj.focus();
obj.select();
return false;
}
return true;
}