var aElements = document.getElementsByTagName("a");

var aPopups = new Array;
var s = 0;

for (i=0; i < aElements.length; i++) {
  if (aElements[i].getAttribute("class") == "popup") {
    aPopups[s] = aElements[i];
    
    aPopups[s][0] = aPopups[s].innerHTML; // H1
    aPopups[s][1] = aPopups[s].title; // P
    aPopups[s][2] = aPopups[s].href; // IMG URL
    
    aPopups[s].removeAttribute("title");
    aPopups[s].setAttribute("href", "#");
    aPopups[s].setAttribute("onclick", "return false");
    aPopups[s].setAttribute("class", "popup_text");
    
    aPopups[s].innerHTML = aPopups[s][0] + '<div class="imagepreview_outerwrap"><div class="imagepreview_innerwrap"><img title="" alt="" src="' + aPopups[s][2] + '"><div><h3><b>' + aPopups[s][0] + '</b></h3><p class="bodytext">' + aPopups[s][0] + '</p></div></div></div>';
    s++;
  }
}