// JavaScript Document
/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Alf Magne Kalleland :: http://www.dhtmlgoodies.com/ */

/************************************************************************************************************
	(C) www.dhtmlgoodies.com, September 2005
	Terms of use: You are free to use this script as long as the copyright message is kept intact. However,
 you may not redistribute, sell or repost it without our permission.

	Alf Magne Kalleland
************************************************************************************************************/		
	
var initHeight = 0;
var slidedown_direction = 1;
var slidedownContentBox = false;
var slidedownContent = false;
var slidedownActive = false;
var contentHeight = false;
var slidedownSpeed = 3;  // Higher value = faster script
var slidedownTimer = 7; // Lower value = faster script

function slidedown_showHide() {
  if(initHeight==0)slidedown_direction=slidedownSpeed; else slidedown_direction = slidedownSpeed*-1;
  if(!slidedownContentBox) {
    slidedownContentBox = document.getElementById('dhtmlgoodies_contentBox');
    slidedownContent = document.getElementById('dhtmlgoodies_content');
    contentHeight = document.getElementById('dhtmlgoodies_content').offsetHeight;
  }
  slidedownContentBox.style.visibility='visible';
  slidedownActive = true;
  slidedown_showHide_start();
}

function slidedown_showHide_start() {
  if(!slidedownActive)return;
  initHeight = initHeight/1 + slidedown_direction;
  if(initHeight <= 0) {
    slidedownActive = false; 
    slidedownContentBox.style.visibility='hidden';
    initHeight = 0;
  }
  if(initHeight>contentHeight) {
    slidedownActive = false; 
  }
  slidedownContentBox.style.height = initHeight + 'px';
  slidedownContent.style.top = initHeight - contentHeight + 'px';
  setTimeout('slidedown_showHide_start()',slidedownTimer); // Choose a lower value than 10 to make the script move faster
}

function setslidedownWidth(newWidth) {
  document.getElementById('dhtmlgoodies_slidedown').style.width = newWidth + 'px';
  document.getElementById('dhtmlgoodies_contentBox').style.width = newWidth + 'px';
}

function setSlideDownSpeed(newSpeed) {
  slidedownSpeed = newSpeed;
}