/**
 * Copyright (C) 2002-2003, CodeHouse.com. All rights reserved.
 * CodeHouse(TM) is a registered trademark.
 *
 * THIS SOURCE CODE MAY BE USED FREELY PROVIDED THAT
 * IT IS NOT MODIFIED OR DISTRIBUTED, AND IT IS USED
 * ON A PUBLICLY ACCESSIBLE INTERNET WEB SITE.
 *
 * Script Name: Cool Redirect
 *
 * You can obtain this script at http://www.codehouse.com
 */

function coolRedirect(url, msg)
{
   var TARG_ID = "COOL_REDIRECT";
   var DEF_MSG = "Redirecting...";

   if( ! msg )
   {
      msg = DEF_MSG;
   }

   if( ! url )
   {
      throw new Error('You didn\'t include the "url" parameter');
   }


   var e = document.getElementById(TARG_ID);

   if( ! e )
   {
      throw new Error('"COOL_REDIRECT" element id not found');
   }

   var cTicks = parseInt(e.innerHTML);

   var timer = setInterval(function()
   {
      if( cTicks )
      {
         e.innerHTML = --cTicks;
      }
      else
      {
         clearInterval(timer);
         document.body.innerHTML = msg;
         location = url;	  
      }

   }, 1000);
}


//Dropdown menu
var DDSPEED = 10;
var DDTIMER = 15;

// main function to handle the mouse events //
function ddMenu(id,d){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearInterval(c.timer);
  if(d == 1){
    clearTimeout(h.timer);
    if(c.maxh && c.maxh <= c.offsetHeight){return}
    else if(!c.maxh){
      c.style.display = 'block';
      c.style.height = 'auto';
      c.maxh = c.offsetHeight;
      c.style.height = '0px';
    }
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }else{
    h.timer = setTimeout(function(){ddCollapse(c)},50);
  }
}

// collapse the menu //
function ddCollapse(c){
  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
}

// cancel the collapse if a user rolls over the dropdown //
function cancelHide(id){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearTimeout(h.timer);
  clearInterval(c.timer);
  if(c.offsetHeight < c.maxh){
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){
    dist = (Math.round((c.maxh - currh) / DDSPEED));
  }else{
    dist = (Math.round(currh / DDSPEED));
  }
  if(dist <= 1 && d == 1){
    dist = 1;
  }
  c.style.height = currh + (dist * d) + 'px';
  c.style.opacity = currh / c.maxh;
  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
    clearInterval(c.timer);
  }
}


// nonintrusive popup new window

function doPopups() {
  if (!document.getElementsByTagName) return true;
  var links=document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("external")) {
      links[i].onclick=function() {
      // Next two lines should be on one line
        window.open(this.href, "","");
        return false;
      }
    }
  }
}
window.onload=doPopups;