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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Cross Platform JavaScript Utility Library.
*
* The Initial Developer of the Original Code is
* Everything Solved.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Max Kanat-Alexander <mkanat@bugzilla.org>
* Christopher A. Aillon <christopher@aillon.com>
*
* ***** END LICENSE BLOCK ***** */
/**
* Locate where an element is on the page, x-wise.
*
* @param obj Element of which location to return.
* @return Current position of the element relative to the left of the
* page window. Measured in pixels.
*/
function bz_findPosX(obj)
{
var curleft = 0;
if (obj.offsetParent) {
while (obj) {
curleft += obj.offsetLeft;
obj = obj.offsetParent;
}
}
else if (obj.x) {
curleft += obj.x;
}
return curleft;
}
/**
* Locate where an element is on the page, y-wise.
*
* @param obj Element of which location to return.
* @return Current position of the element relative to the top of the
* page window. Measured in pixels.
*/
function bz_findPosY(obj)
{
var curtop = 0;
if (obj.offsetParent) {
while (obj) {
curtop += obj.offsetTop;
obj = obj.offsetParent;
}
}
else if (obj.y) {
curtop += obj.y;
}
return curtop;
}
/**
* Get the full height of an element, even if it's larger than the browser
* window.
*
* @param fromObj Element of which height to return.
* @return Current height of the element. Measured in pixels.
*/
function bz_getFullHeight(fromObj)
{
var scrollY;
// All but Mac IE
if (fromObj.scrollHeight > fromObj.offsetHeight) {
scrollY = fromObj.scrollHeight;
// Mac IE
} else {
scrollY = fromObj.offsetHeight;
}
return scrollY;
}
/**
* Get the full width of an element, even if it's larger than the browser
* window.
*
* @param fromObj Element of which width to return.
* @return Current width of the element. Measured in pixels.
*/
function bz_getFullWidth(fromObj)
{
var scrollX;
// All but Mac IE
if (fromObj.scrollWidth > fromObj.offsetWidth) {
scrollX = fromObj.scrollWidth;
// Mac IE
} else {
scrollX = fromObj.offsetWidth;
}
return scrollX;
}
/**
* Causes a block to appear directly underneath another block,
* overlaying anything below it.
*
* @param item The block that you want to move.
* @param parent The block that it goes on top of.
* @return nothing
*/
function bz_overlayBelow(item, parent) {
var elemY = bz_findPosY(parent);
var elemX = bz_findPosX(parent);
var elemH = parent.offsetHeight;
item.style.position = 'absolute';
item.style.left = elemX + "px";
item.style.top = elemY + elemH + 1 + "px";
}
/**
* Checks if a specified value is in the specified array.
*
* @param aArray Array to search for the value.
* @param aValue Value to search from the array.
* @return Boolean; true if value is found in the array and false if not.
*/
function bz_isValueInArray(aArray, aValue)
{
var run = 0;
var len = aArray.length;
for ( ; run < len; run++) {
if (aArray[run] == aValue) {
return true;
}
}
return false;
}
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