/* Add commonly used javascript routines here */
/* Add initialisation calls to onload using 'addEvent' (see bottom of page) */



/*
addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
*/
function addEvent( obj, type, fn )
{
	if(window.console) {
		window.console.log("addEvent");
	} 
	if (obj.addEventListener)

		obj.addEventListener( type, fn, false );
			if(window.console) {
				window.console.log("adding event listener " +fn);
			} 
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
			if(window.console) {
				window.console.log("attaching event " +fn);
			} 
	}
}

function removeEvent( obj, type, fn )
{
	if (obj.removeEventListener)
		obj.removeEventListener( type, fn, false );
	else if (obj.detachEvent)
	{
		obj.detachEvent( "on"+type, obj[type+fn] );
		obj[type+fn] = null;
		obj["e"+type+fn] = null;
	}
}

/*
Create the new window
*/
function openInNewWindow() {
	// Change "_blank" to something like "newWindow" to load all links in the same new window
    var newWindow = window.open(this.getAttribute('href'), '_blank');
    newWindow.focus();
    return false;
}

/*
Add the openInNewWindow function to the onclick event of links with a class name of "new-window"
*/
function getNewWindowLinks() {
	// Check that the browser is DOM compliant
	if (document.getElementById && document.createElement && document.appendChild) {
		// Change this to the text you want to use to alert the user that a new window will be opened
		var strNewWindowAlert = " (opens in a new window)";
		// Find all links
		var links = document.getElementsByTagName('a');
		var objWarningText;
		var strWarningText;
		var link;
		for (var i = 0; i < links.length; i++) {
			link = links[i];
			// Find all links with a class name of "non-html"
			if (/\bnon\-html\b/.exec(link.className)) {
				// Create an em element containing the new window warning text and insert it after the link text
				objWarningText = document.createElement("em");
				strWarningText = document.createTextNode(strNewWindowAlert);
				objWarningText.appendChild(strWarningText);
				link.appendChild(objWarningText);
				link.onclick = openInNewWindow;
			}
		}
		objWarningText = null;
	}
}

// unobtrusive popup links --------------------

function initPopupLinks()
{
	var popupLinkConfig = new Array;
	// Delete/copy/modify the following lines to configure your popup windows.
	popupLinkConfig["pop_normal"] = new Array ( "", "width=780,height=394,scrollbar=no,menubar=no,resizable=no");
	popupLinkConfig["pop_text"] = new Array ( "", "width=400,height=350,resizable=yes,scrollbars=yes");
	popupLinkConfig["pop_wallpaper"] = new Array ( "wallpaper", "width=208,height=320,resizable=no,scrollbars=no");

  if (!document.getElementsByTagName) return true;
  var pageLinks = document.getElementsByTagName("a");
  for (var i = 0; i < pageLinks.length; i++) 
  {
    if (((pageLinks[i].className != null) && 
         (pageLinks[i].className != "")) ||
        ((pageLinks[i].parentNode.className != null) && 
         (pageLinks[i].parentNode.className != "")))
    {
      var linkClass = " " + pageLinks[i].className + " ";
      if ((linkClass == "  ") && (pageLinks[i].parentNode.className != ""))
      {
        linkClass = " " + pageLinks[i].parentNode.className + " ";
      }
      for (var theKey in popupLinkConfig) 
      {
        if (linkClass.indexOf(" " + theKey + " ") > -1)
        {
          if ((pageLinks[i].target == "") || (pageLinks[i].target == null))
          {
            pageLinks[i].target = (popupLinkConfig[theKey][0] != "") ? popupLinkConfig[theKey][0] : theKey;
          }
          pageLinks[i].settings = popupLinkConfig[theKey][1];
          pageLinks[i].onclick = popUp;
        }
      }
    }
  }
  return true;
}

function popUp(){
  newWin = window.open(this.href, this.target, this.settings);
  newWin.focus();
  return false;
} 

/*  getElementsByClassName
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}
/* ------------------------------------------------------- */

addEvent(window, 'load', getNewWindowLinks);
addEvent(window, 'load', initPopupLinks);