var links = document.getElementsByTagName('a');
for(i = 0; i < links.length; i++)
{
if (links[i].href.indexOf(location.host) == -1 && links[i].href.match(/^http:\/\//i))
{
links[i].onclick= function()
{
var hostname= this.href.match(/^http:\/\/(.+?)(?:\/|$)/i);
_gaq.push( ['_trackEvent', 'liens-sortants', hostname[1] , this.href.replace(/^http:\/\//i , '')] );
}
}
}