window.onload = doPopups;
function doPopups() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("img");
  for (var i=0; i < links.length; i++) {
	if (links[i].width > 800) {
currentw=links[i].width;
currenth=links[i].height;
var currentwhratio=(currentw/currenth);
if(currentw>currenth){
links[i].width=700; links[i].height=700/currentwhratio;
} else { links[i].height=700; links[i].width=700*currentwhratio; }
}
    
}
  }