I've modified a Marketo template and cannot get it to work in the editor -- it doesn't allow me to drag and drop elements into it. Below is the code. Can anybody advise what the problem might be?
	 
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/2000/REC-xhtml1-200000126/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
	<meta http-equiv="X-UA-Compatible" content="IE=Edge"/>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<!-- SYSTEM CSS - DO NOT EDIT -->
	<link rel="stylesheet" type="text/css" media="screen" href="/css/mktLPSupport.css" />
	<script language="JavaScript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
	 
	<style type="text/css">
	 
	#bodyId {
	background:url("/rs/axiomepm/images/header-lp-blue-2.png") repeat-x center top #fff;
	font-family: Arial, sans-serif;
	font-size: 16px;
	text-align: center;
	margin: 0px;
	padding: 0px;
	}
	 
	div#outerWrapDiv {
	position: relative;
	height: 100%;
	width: 100%;
	}
	 
	div#innerWrapDiv {
	position: relative;
	padding: 0px;
	margin-left: auto;
	margin-right: auto;
	margin-top: 0px;
	margin-bottom: 0px;
	text-align: left;
	}
	 
	</style>
	 
	<!-- START TEMPLATE CSS - EDIT THIS SECTION -->
	 
	<style>
	/* Note: You can also change these in the specific Landing Pages*/
	 
	/* Width of Full Page */
	 
	div#innerWrapDiv {
	   width: 1090px;
	}
	 
	a:link {
	color:#ffa200;
	text-decoration:none;
	 
	}
	 
	a:visited {
	color:#ffa200;
	text-decoration:none;
	 
	}
	 
	a:active {
	color:#ffa200;
	text-decoration:none;
	 
	}
	 
	a:hover {
	color:#ffa200;
	text-decoration:none;
	 
	}
	 
	img {
	border:none; 
	}
	 
	/* Main Header Area  */
	div#headerWrap {
	background: transparent;
	width:100%;
	}
	 
	div#mktHeader {
	border-bottom:1px solid #80b6c9;
	height: 60px;
	margin: 0 auto;
	position:relative;
	width:1090px;  
	}
	 
	#logo {
	border: 0 none;
	left: 0px;
	position: absolute;
	top: 6px;
	}
	 
	/* Main Content Area - Controls height of page */
	div#mktContent {
	background: transparent;
	height: 550px;
	position: relative;
	}
	  
	#graycontent {
	background:#eaeaea;
	height:86px;
	width:100%;
	position:relative;
	}
	 
	/* Footer Area */
	div#footerWrap {
	 
	width:100%; 
	}
	div#mktFooter {
	background: #fff;
	color:#000;
	font-size:12px; 
	height: 50px;
	margin: 0 auto;
	position: relative;
	width:1090px;
	}
	 
	/* Footer links and Copyright */
	 
	.copyright{
	color:#000;
	font-size:12px; 
	left: 65px;
	position: absolute;
	top: 20px;
	}
	 
	.footerlinks {
	right: 0px;
	position: absolute;
	top: 20px;
	}
	 
	.footerlinks a {
	color:#000000;
	text-decoration:none;
	}
	 
	.footerlinks a:hover {
	color:#000000;
	text-decoration:underline;
	}
	 
	 
	/* Required Fields Stars Fix Commented Out On Client Request ONLY */
	form.lpeRegForm li.mktFormReq label {
	background-image:url("/rs/marketoreferencelibrary/images/star.png")!important;
	}
	 
	 
	/*** CSS3 PIE GRADIENT BUTTON 
	   Directions: Delete Fancy Button CSS and Fancy Button JS 
	   optional: Obtain gradient code from: http://css3pie.com/
	***/
	button, input {
	behavior: url("/rs/marketoreferencelibrary/images/PIE.htc");
	}
	 
	.button, button, input[type="reset"], input[type="submit"], input[type="button"] {
	background: #ffa200;
	 
	border:7px solid #f9bd4f;
	 
	-webkit-border-radius: 40px;
	-khtml-border-radius: 40px;
	-moz-border-radius: 40px;
	-ms-border-radius: 40px;
	-o-border-radius: 40px;
	border-radius: 40px;
	 
	color:#FFFFFF !important;
	cursor:pointer;
	display:inline;
	font-size:16px !important;
	font-weight:bold;
	left:0px;
	padding:12px 20px !important;
	position:relative;
	text-shadow:1px 1px 1px #888;
	text-transform:uppercase;
	top:10px;
	}
	 
	button:hover, input[type="reset"]:hover, input[type="submit"]:hover, input[type="button"]:hover {
	 
	}
	 
	#mktFrmButtons {
	margin:0 auto;
	text-align:center;
	}
	 
	form.lpeRegForm label {
	font-family: 'Open Sans', sans-serif !important;
	}
	 
	form.lpeRegForm ul.mktLblAbove label {
	padding-left:0 !important;
	}
	 
	form.lpeRegForm ul.mktLblAbove li.mktFormReq label {
	padding-left:10px !important;
	}
	 
	form.lpeRegForm input[type="text"], form.lpeRegForm select, form.lpeRegForm  textarea {
	border: 1px solid #D9D8D9;
	border-radius: 3px 3px 3px 3px;
	color: #000000;
	font-family: 'Open Sans', sans-serif !important;
	font-size: 12px;
	padding: 5px;
	width:95% !important;
	}
	 
	</style>
	 
	<!-- END TEMPLATE CSS -->
	 
	  <!--[if lt IE 7]>
	 
	<style>
	img.png { behavior: url(/js/public/iepngfix.htc) }
	</style>
	 
	  <![endif]-->
	  
	<!-- SYSTEM JAVASCRIPT - DO NOT EDIT -->
	   <script>
	    // to make fancy buttons.  Uses noConflict just in case
	     var $jQ = jQuery.noConflict();
	 
	     // Use jQuery via $j(...)
	     $jQ(document).ready(function(){
	 
	       /*$jQ('input[id=mktFrmSubmit]').wrap("<div class='buttonSubmit'></div>");
	       $jQ(".buttonSubmit").prepend("<span></span>");*/
	 
	     });
	   </script>
	 
	<!-- SYSTEM INCLUDES - DO NOT EDIT -->
	<link rel="stylesheet" type="text/css" media="screen" href="/css/mktLPSupport.css" />
	<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
	<link rel="icon" href="/favicon.ico" type="image/x-icon" />
	<style type="text/css">
	DIV#mktContent{height: 750px; }
	DIV#mktHeader{height: 60px; }</style><meta name="robots" content="index, nofollow" />
	<style type="text/css"> div#lpeCDiv_3490 {position: absolute; left: 609px; top: 311px; width: 365px; z-index: 15; }
	   div#lpeCDiv_3490 span.lpContentsItem { }
	 
	 div#lpeCDiv_3491 {position: absolute; height: 1px; left: 577px; top: 226px; width: 424px; z-index: 10; }
	   div#lpeCDiv_3491 div.lpContentsItem { height: 1px; width: 424px; background-color: #0e5466; border-style: solid; border-width: 0; border-color: forestgreen; }
	 
	 div#lpeCDiv_3492 {position: absolute; left: 533px; top: 165px; width: 513px; z-index: 15; height: 46px; }
	   div#lpeCDiv_3492 span.lpContentsItem { }
	 
	 div#lpeCDiv_3493 {position: absolute; height: 1px; left: 578px; top: 150px; width: 423px; z-index: 10; }
	   div#lpeCDiv_3493 div.lpContentsItem { height: 1px; width: 423px; background-color: #0e5466; border-style: forestgreen; border-width: 0; border-color: #0e5466; }
	 
	 div#lpeCDiv_3494 {position: absolute; left: 596px; top: 16px; width: 381px; z-index: 15; }
	   div#lpeCDiv_3494 span.lpContentsItem { }
	 
	 div#lpeCDiv_3495 {position: absolute; left: 526px; top: 80px; width: 506px; z-index: 15; }
	   div#lpeCDiv_3495 span.lpContentsItem { }
	 
	 div#lpeCDiv_3496 {position: absolute; left: 53px; top: 509px; width: 1005px; z-index: 15; }
	   div#lpeCDiv_3496 span.lpContentsItem { }
	 
	 div#lpeCDiv_3497 {position: absolute; left: 54px; top: 424px; width: 981px; z-index: 15; }
	   div#lpeCDiv_3497 span.lpContentsItem { }
	 
	 div#lpeCDiv_3498 {position: absolute; left: 54px; top: 567px; width: 551px; z-index: 15; }
	   div#lpeCDiv_3498 span.lpContentsItem { }
	 
	 div#lpeCDiv_3499 {position: absolute; left: 618px; top: 566px; width: 526px; z-index: 15; }
	   div#lpeCDiv_3499 span.lpContentsItem { }
	 
	 div#lpeCDiv_3500 {position: absolute; left: 803px; top: -43px; width: 290px; z-index: 15; }
	   div#lpeCDiv_3500 span.lpContentsItem { }
	 
	 div#lpeCDiv_3501 {position: absolute; height: 42px; width: 186px; z-index: 15; left: 0px; top: -55px; }
	 div#lpeCDiv_3501 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3501 span.lpContentsItem { }
	 
	 div#lpeCDiv_3502 {position: absolute; height: 397px; width: 461px; z-index: 15; left: 5px; top: 21px; }
	 div#lpeCDiv_3502 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3502 span.lpContentsItem { }
	 
	 div#lpeCDiv_3503 {position: absolute; height: 74px; width: 973px; z-index: 15; left: 64px; top: 756px; }
	 div#lpeCDiv_3503 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3503 span.lpContentsItem { }
	 
	 div#lpeCDiv_3504 {position: absolute; left: -2px; top: 836px; width: 420px; z-index: 15; height: 28px; }
	   div#lpeCDiv_3504 span.lpContentsItem { }
	 
	 div#lpeCDiv_3505 {position: absolute; height: 27px; width: 30px; z-index: 15; left: 894px; top: 850px; }
	 div#lpeCDiv_3505 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3505 span.lpContentsItem { }
	 
	 div#lpeCDiv_3506 {position: absolute; height: 27px; width: 30px; z-index: 15; left: 928px; top: 850px; }
	 div#lpeCDiv_3506 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3506 span.lpContentsItem { }
	 
	 div#lpeCDiv_3507 {position: absolute; height: 27px; width: 30px; z-index: 15; left: 962px; top: 850px; }
	 div#lpeCDiv_3507 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3507 span.lpContentsItem { }
	 
	 div#lpeCDiv_3508 {position: absolute; height: 27px; width: 30px; z-index: 15; left: 996px; top: 850px; }
	 div#lpeCDiv_3508 span.lpContentsItem img.lpimg{width:100%; height:100%; }
	  div#lpeCDiv_3508 span.lpContentsItem { }
	 
	</style>
	<style type="text/css"> .marketoContent {position: relative;} </style>
	 
	</head>
	<body id="bodyId" class="mktEditable" align="center" >
	<div id="outerWrapDiv" class="mktEditable">
	<div id="headerWrap">
	<div id="mktHeader" class="mktEditable">
	  <!-- Logo and Header -->
	<div id="logo" class="mktEditable">
	<img src="/rs/axiomepm/images/ax-kauf-orange-white.png" />
	  </div>
	</div>
	</div>
	 
	 
	 
	 
	<div id="innerWrapDiv" class="mktEditable">
	 
	<div id='lpeCDiv_3491' class='lpeCElement Rectangle_1'><div class='lpContentsItem boxSpan'></div></div>
	 
	<div id='lpeCDiv_3493' class='lpeCElement Rectangle_2'><div class='lpContentsItem boxSpan'></div></div>
	<div id='lpeCDiv_3505' class='lpeCElement Image_6'><span class='lpContentsItem imageSpan'><img class="lpimg" src="/rs/marketoreferencelibrary/images/c8soc1.jpg" /></span></div>
	<div id='lpeCDiv_3506' class='lpeCElement Image_7'><span class='lpContentsItem imageSpan'><img class="lpimg" src="/rs/marketoreferencelibrary/images/c8soc2.jpg" /></span></div>
	<div id='lpeCDiv_3507' class='lpeCElement Image_8'><span class='lpContentsItem imageSpan'><img class="lpimg" src="/rs/marketoreferencelibrary/images/c8soc3.jpg" /></span></div>
	<div id='lpeCDiv_3508' class='lpeCElement Image_9'><span class='lpContentsItem imageSpan'><img class="lpimg" src="/rs/marketoreferencelibrary/images/c8soc4.jpg" /></span></div>
	 
	<!-- START TEMPLATE HTML - EDIT THIS SECTION -->
	 
	<div id="mktContent" class="mktEditable">
	<!-- Base of Landing Page Content -->
	 
	</div>
	 
	<!-- END TEMPLATE HTML -->
	 
	<!-- SYSTEM FOOTER - DO NOT EDIT -->
	</div>
	<div id="graycontent" class="mktEditable"></div>
	<div id="footerWrap">
	<div id="mktFooter" class="mktEditable">
	 
	<div class="copyright">© Axiom EPM</div>
	<div class="footerlinks">
	</div>
	 
	</div>
	</div>
	 
	</div>
	<script type="text/javascript" src="//munchkin.marketo.net//munchkin.js"></script><script>Munchkin.init('878-PHB-880', {customName: 'LP_Theory_v1', wsInfo: 'j1RR'});</script>
	 
	<!-- GOOGLE ANALYTICS.  ENTER YOUR CODE and UNCOMMENT block -->
	 <!--
	<script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
	</script>
	<script type="text/javascript">
	_uacct = "YOURCODE";
	urchinTracker();
	</script>
	-->
	 
	 
	</body>
	</html>