// Allow multiple events onLoad
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}


// Cloak e-mail addresses
function emailCloak() {
	if (document.getElementById) {
		var alltags = document.all? document.all : document.getElementsByTagName("*");
		for (i=0; i < alltags.length; i++) {
		  if (alltags[i].className == "emailCloak") {
		  	var oldText = alltags[i].firstChild;
		  	var emailAddress = alltags[i].firstChild.nodeValue;
		  	var user = emailAddress.substring(0, emailAddress.indexOf("("));
		  	var website = emailAddress.substring(emailAddress.indexOf(")")+1, emailAddress.length);
		  	var newText = user+"@"+website;
		  	var a = document.createElement("a");
		  	a.href = "mailto:"+newText;
			var address = document.createTextNode(newText);
			a.appendChild(address);
			alltags[i].replaceChild(a,oldText);
		  }
		}
	}
}
addLoadEvent(emailCloak);


// Open links with rel="external" in new window
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);


// Image Gallery
function showPic (whichpic) {
	if (document.getElementById) {
		document.getElementById('mainphoto').src = whichpic.href;
		if (whichpic.title) {
			document.getElementById('desc').childNodes[0].nodeValue = whichpic.title;
		} else {
			document.getElementById('desc').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue;
		}
		return false;
	}
	else {
		return true;
	}
}
//function showPic (whichpic) {
//  if (!document.getElementById) return true;
//  document.getElementById('mainphoto').src = whichpic.href;
//  return false;
//}
function showpicBehaviour () {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("thumbs")) return false;
  var gallery = document.getElementById("thumbs");
  var links = gallery.getElementsByTagName("a");
  for ( var i=0; i < links.length; i++) {
    links[i].onclick = function() {
      return showPic(this);
    }
  }
  return false;
}
addLoadEvent(showpicBehaviour);


// Show/Hide Panels
function hidetabs() { 
	var thearray= new Array("enqy","mail"); 
	for(i=0; i<thearray.length; i++) { 
		document.getElementById(thearray[i]).className="hide"; 
	} 
}
function showtab(id) {
	whichdiv = document.getElementById(id);
	var thearray= new Array("enqy","mail"); 
	for(i=0; i<thearray.length; i++) { 
		if(thearray[i] == id){
			whichdiv.className="show";
		} else {
			document.getElementById(thearray[i]).className="hide"; 
		} 
	} 
}
function showtabBehaviour() {
	if (!document.getElementById("options")) return false;
	var Links = document.getElementById("options");
	var link = Links.getElementsByTagName("a");
	for(var i=0; i<link.length; i++){ 
		link[i].onclick = function() {
			var strLink = this.href.substring((this.href.length)-4,(this.href.length))
			if (document.getElementById("show_" + strLink)) {
				showtab(strLink);
				return false;
			}
		}
	}
	return false;
}
addLoadEvent(showtabBehaviour);