function loadIframe() {
		var iframe = document.createElement("iframe");
		iframe.setAttribute("src","http://www.library.wisc.edu/digitization/googlecontract.pdf");
		iframe.style.width = "98%";
		iframe.style.height = "600px";
    var agreement = document.getElementById("agreement");
		agreement.appendChild(iframe);
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(loadIframe);