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

function prepLinks()
{
	if ( !document.getElementsByTagName ) return false;
	var links = document.getElementsByTagName('a');
	for (var i=0; i < links.length; i++) {
		if ( links[i].className == "popup" )
		{
			links[i].onclick = function() {
				openLink(this.getAttribute("href"));
				return false;
			}
			
			links[i].onkeypress = links[i].onclick;
		}
	};
}

function openLink(whichLink)
{
	window.open(whichLink, 'Come Dive With Me...');
}

addLoadEvent(prepLinks);