window.onload = prepareLinks;


function prepareLinks() 
{
    if(!document.getElementsByTagName) return false;
		
		var links = document.getElementsByTagName("a");
		
		for(var i=0; i<links.length; i++)
		{
		      
          if((links[i].getAttribute("rel") == "external"))
			   	{
				    links[i].onclick = function()
						{
						    popUp(this.getAttribute("href"));
								return false;
						}
			  	}
		}
}

function popUp(winURL) 
{
    window.open(winURL, "external", "width=600,height=600,status=1,scrollbars=1,toolbar=1,lication=1,menubar=1,directories=1,resizable=1");
}