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

if(window.attachEvent)
{
	window.attachEvent('onload', function(e)
		{
			pageLoad();
		}
	);
}
else
{
	window.addEventListener('load', function(e)
		{
			pageLoad();		
		}, true	
	);
}