var loc = location.href;
var n1 = loc.length;
var n2 = loc.indexOf("=");
var id = loc.substr(n2+1, n1-n2);

var alinks = document.links;
for(var i=0;i<alinks.length;i++)
{
alinks[i].href='http://www.link8.in/in.aspx?id='+id;
alinks[i].target='_blank';
}