var html = '<div id="div_modal_window" class="modalwindow" style="display:none"> 	<div class="border_top"><div class="in-r"><div class="in-m"></div></div></div>  <div class="content">  	<div class="head">  	<h1></h1>  </div>  <div class="body">  	  </div>  <div class="foot">  	<div class="btns">    </div>  </div>  </div>  <div class="border_bottom"><div class="in-r"><div class="in-m"></div></div></div> </div>';
if (document.body!=null){
	var div = document.createElement('div');
	div.innerHTML = html; 
	document.body.appendChild(div);
}else{
	document.write(html);
}