javascript:var%20x=document.getElementsByTagName("input");for(var%20i=0;i<x.length;i++)%20{if%20(x[i].type%20==%20'checkbox')%20{x[i].click();}};%20alert('Done:%20please%20scroll%20and%20repeat%20until%20all%20your%20friends%20have%20been%20selected');