/* Slide/hide ver. 3.0 
 * 30 March 2007 
 * By Paul Hirsch and Michaeljohn Clement 
 * http://www.iwdn.net/showthread.php?t=5954 
 * Released into the public domain, please use this script as you like. 
 */ 
function init_slide_hide() { 
   var els = document.getElementsByTagName('*'); 
   for (var i=0;i<els.length;i++) { 
      if (els[i].className == 'hide_me') slide(els[i].id,0); 
      if (els[i].className == 'slide_in') { slide(els[i].id,0); slide(els[i].id) } 
   } 
   var l = document.getElementById('loading_css'); 
   if (l) l.parentNode.removeChild(l); 
} 
function slide(id,duration,step_duration){ 
   var el = document.getElementById(id); 
   if (!el || !el.style || (el.morph_data && el.morph_data.timeout)) return; 
   if (duration === undefined) duration = 750; 
   if (!step_duration) step_duration = 10; 
   var steps = Math.max(Math.ceil(duration/step_duration),1); 
   el.style.overflow = 'hidden'; 
   if (!el.morph_data) el.morph_data = new Object(); 
   if (el.style.height == '0px') { 
      morph_height(el,0,el.morph_data.naturalHeight,duration,steps,1); 
   } else { 
      el.morph_data.naturalHeight = el.offsetHeight; 
      el.morph_data.style_height = el.style.height; 
      morph_height(el,el.offsetHeight,0,duration,steps,1); 
   } 
} 
function morph_height(el,from,to,duration,steps,step) { 
   var x = step/steps; 
   var y = Math.sin((x-0.5)*Math.PI); 
   var z = (y+1)*0.5; 
   var h = from + (to-from)*z; 
   var finished = (step == steps); 
   if (finished) h = to; 
   el.style.height = h+'px'; 
   if (finished && h!=0) { 
      //el.style.height = el.morph_data.style_height; 
      el.morph_data = undefined; 
      return; 
   } 
   if (finished) { 
      delete el.morph_data.timeout; 
      return; 
   } 
   var t = duration/steps; 
   el.morph_data.timeout = setTimeout(function(){morph_height(el,from,to,duration,steps,step+1)},t); 
} 
var noscript = document.getElementById('noscript_css'); 
if (noscript) { 
   noscript.setAttribute('id','loading_css'); 
   noscript.setAttribute('href','loading.css'); 
} 
if (window['addEventListener']) { addEventListener('load',init_slide_hide,false) } 
else if (window['attachEvent']) { attachEvent('onload',init_slide_hide) }