6) toggle()
toggle() by the masses
function
toggle(obj) {
var
el = document.getElementById(obj);
if
( el.style.display !=
'none'
) {
el.style.display =
'none'
;
}
else
{
el.style.display =
''
;
}
}
5) insertAfter()
insertAfter() on public domain
function
insertAfter(parent, node, referenceNode) {
parent.insertBefore(node, referenceNode.nextSibling);
}
4) inArray()
Array.prototype.inArray =
function
(value) {
var
i;
for
(i=0; i <
this
.length; i++) {
if
(
this
[i] === value) {
return
true
;
}
}
return
false
;
};
3, 2, & 1) getCookie(), setCookie(), deleteCookie()
function
getCookie( name ) {
var
start = document.cookie.indexOf( name +
"="
);
var
len = start + name.length + 1;
if
( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
return
null
;
}
if
( start == -1 )
return
null
;
var
end = document.cookie.indexOf(
';'
, len );
if
( end == -1 ) end = document.cookie.length;
return
unescape( document.cookie.substring( len, end ) );
}
function
setCookie( name, value, expires, path, domain, secure ) {
var
today =
new
Date();
today.setTime( today.getTime() );
if
( expires ) {
expires = expires * 1000 * 60 * 60 * 24;
}
var
expires_date =
new
Date( today.getTime() + (expires) );
document.cookie = name+
'='
+escape( value ) +
( ( expires ) ?
';expires='
+expires_date.toGMTString() :
''
) +
( ( path ) ?
';path='
+ path :
''
) +
( ( domain ) ?
';domain='
+ domain :
''
) +
( ( secure ) ?
';secure'
:
''
);
}
function
deleteCookie( name, path, domain ) {
if
( getCookie( name ) ) document.cookie = name +
'='
+
( ( path ) ?
';path='
+ path :
''
) +
( ( domain ) ?
';domain='
+ domain :
''
) +
';expires=Thu, 01-Jan-1970 00:00:01 GMT'
;
}