window.onload=function(){
 openVcardFromAnotherPage(); 
}

function openVcardFromAnotherPage() {

 var path =window.location;
 var ran = path.toString();
 var ran2 = ran.split("id=");
 var ran3 = ran2[1].split("&");

// Wenn Doit, dann openVcard
 if (ran3[1]) {
  var query_param = ran3[1].split("doIt=");
  var query_param_id = query_param[1]; 
 }
 openVcard(query_param_id);

}