function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

/* Start image rollover */
var actImgTag;
var selImgTag;
var clsRoll;
var imgList;
var images;
var activeImages;
var inactiveImages;

// UIR (Unobtrusive Image Rollover) v2.0.1-20060309
if (document.getElementById) {
   function initUIR() {
      actImgTag = "_on";
      //actImgTag = "";
      selImgTag = "_sel";
      clsRoll = "roll";

      imgList = '';
      var images = document.getElementsByTagName('img');

      for (var i=0; i<images.length; i++) {
         if (eval('/' + clsRoll + '/').test(images[i].className)) {
            imgList += images[i].src + ",";
            setEvents(images[i]);
         }
      }

      if (imgList != '') {
         imgList = imgList.substring(0, imgList.length-1);
         preload(imgList.split(","));
      }
   }

   function setEvents(element) {
      element.parentNode.onmouseover = function() { roll(this); }
      element.parentNode.onmouseout = function() { roll(this); }
      element.parentNode.onfocus = function() { roll(this); }
      element.parentNode.onblur = function() { roll(this); }
   }

   function preload(imgList) {
      activeImages = new Array(imgList.length);
      inactiveImages = new Array(imgList.length);

      for (var i=0; i<imgList.length; i++) {
         activeImages[i] = new Image();
         activeImages[i].src = getBaseName(imgList[i]) + actImgTag + getExt(imgList[i]);
         inactiveImages[i] = new Image();
         inactiveImages[i].src = getBaseName(imgList[i]) + getExt(imgList[i]);
      }
   }

   function getBaseName(filename) {
      if (eval('/'+actImgTag+'\./').test(filename)) filename = filename.replace(actImgTag+'.', '.');
      if (eval('/'+selImgTag+'\./').test(filename)) filename = filename.replace(selImgTag+'.', '.');
      return filename.substring(0, filename.lastIndexOf('.'));
   }

   function getExt(filename) {
      return filename.substring(filename.lastIndexOf('.'), filename.length);
   }

   function getImage(imageName, isActive) {
      (isActive==0) ? images = inactiveImages : images = activeImages;
      for (var i=0; i<images.length; i++) {
         if (getBaseName(imageName) == getBaseName(images[i].src)) {
            return images[i];
            break;
         }
      }
      return [];
   }

   function roll(element) {
      var src, newSrc;
      var node, currNode;

      for (var i=0; i<element.childNodes.length; i++) {
         currNode = element.childNodes[i];
         if (currNode.nodeType==1 && /img/i.test(currNode.nodeName)) {
            node = i;
            break;
         }
      }
      src = element.childNodes[node].src;
      if (!(eval('/'+selImgTag+'\./').test(src))) {
         newSrc = getImage(src,!(eval('/'+actImgTag+'\./').test(src))).src;
      }
      if (!(typeof(newSrc)=='undefined')) element.childNodes[node].src = newSrc;
   }

   addLoadEvent(initUIR);
} // (C) 2005 Emanuele Rodriguez <erodri@gmail.com>

/* End image rollover */

// Set Body text size
function setSize(iSize) {
	if (!document.getElementsByTagName) return false;
		var bodyTag = document.getElementsByTagName("body");

	for (var i=0; i < bodyTag.length; i++) {
		if (!bodyTag[i].style.fontSize) {
			if (!readCookie("resize")) {
				bodyTag[i].style.fontSize = "62.5%";
			}
			else {
				bodyTag[i].style.fontSize = ((parseFloat(readCookie("resize"))) + "%");
			}
		}
		else {
			if (!readCookie("resize")) {
				bodyTag[i].style.fontSize = "62.5%";
			}
			else {
				var newSize = parseFloat(iSize) + parseFloat(readCookie("resize"));
				if ((newSize <= 72.5) && (newSize >= 52.5))
					bodyTag[i].style.fontSize = newSize + "%";
			}
		}
		cookieValue = bodyTag[i].style.fontSize;
		writeCookie("resize", cookieValue, 10000);
	}
}

// Attaches the onclick event to the correct ids to allow resizing
function resizeT(iID, iDir) {
	if (!document.getElementById) return false;
		var incLink = document.getElementById(iID);

	if (iDir == "decrease") {
		incLink.onclick = function() {
			setSize("-5%");
			return false;
		}
	}

	if (iDir == "increase") {
		incLink.onclick = function() {
			setSize("5%");
			return false;
		}
	}
}

// add increase / decrease font event handlers
addLoadEvent( function(){ resizeT("fntIncrease", "increase") } );
addLoadEvent( function(){ resizeT("fntDecrease", "decrease") } );

// set base font size
addLoadEvent( function(){ setSize("62.5%") } );



// Writes cookie
// writeCookie("myCookie", "my name", 24);
// Stores the string "my name" in the cookie "myCookie" which expires after 24 hours.

function writeCookie(name, value, hours) {
	var expire = "";
	if(hours != null) {
		expire = new Date((new Date()).getTime() + hours * 3600000);
		expire = "; expires=" + expire.toGMTString();
	}
	document.cookie = name + "=" + escape(value) + expire;
}

// Read Cookie
// alert( readCookie("myCookie") );
function readCookie(name){
	var cookieValue = "";
	var search = name + "=";

	if(document.cookie.length > 0) {
		offset = document.cookie.indexOf(search);

	if (offset != -1) {
		offset += search.length;

	end = document.cookie.indexOf(";", offset);

	if (end == -1) end = document.cookie.length;
		cookieValue = unescape(document.cookie.substring(offset, end)) }
	}

	return cookieValue;
}




/* Start external links handler */
function externalLinks() {
   if (!document.getElementsByTagName) return;
   var anchors = document.getElementsByTagName("a");
   for (var i=0; i<anchors.length; i++) {
      var anchor = anchors[i];
      if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
         anchor.target = "_blank";
   }
}

addLoadEvent(externalLinks);
/* End external links handler */