var first = node.getElementsByClassName('classNameOfInterest');

var second = new Array();
var temp = node.getElementsByTagName('a');
for(var a = 0 ; a < temp.length ; a++){
    if(temp[a].hasAttribute('data-ng')){
        second.push(temp[a]);
    }
}temp = false;

var third = new Array();
temp = node.getElementsByTagName('img');
for(var a = 0 ; a < temp.length ; a++){
    if(temp[a].parentNode.nodeName == 'A'){
        third.push(temp[a]);
    }
}temp = false;

var nodes = node.getElementsByTagName("*");
var first = new Array(); var second = first; var third = first;
for(var a = 0 ; a < nodes.length ; a++){
         if(nodes[a].className.match(b(classNameOfInterest)b))
             {first.push(nodes[a]);}
    else if(nodes[a].nodeName == 'A' && nodes[a].hasAttribute('data-ng'))
             {second.push(nodes[a]);}
    else if(nodes[a].nodeName == 'IMG' && nodes[a].parentNode.nodeName == 'A');
             {third.push(nodes[a]);}
}