function copyrightYear(){
	if(document.getElementById('insertYear')) document.getElementById('insertYear').innerHTML = new Date().getFullYear();
}


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

function siteOnLoad () {
	copyrightYear();
	externalLinks();
}

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


function updateTag(){
	var tagcont = document.getElementById('tagline');
	
	var tagArray = new Array('Creative Designer | Web Developer', 
						 	 'Lord of Dance', 
						 	 'A Servant to Her Majesty Queen Elizabeth II', 
						 	 'Just Another Human', 
						 	 'Maker of Web sites and other such things',
							 'Dinosaur Hunter'
							);
	
	var rand = Math.floor(Math.random()*(tagArray.length))

	tagcont.innerHTML = tagArray[rand];
}

addLoadEvent(siteOnLoad);