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

function siteOnLoad () {
	copyrightYear();
}

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

addLoadEvent(siteOnLoad);