function showContentBox() {
	// document.getElementById("content").style.visibility = "visible";
	if(document.getElementById("content").style.display != "block") {
		document.getElementById("content").style.display = "block";
	}
	
}
function loadContent(contentUrl)
{
	showContentBox();
	
var xmlhttp;
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
	  var contentBody = document.getElementById("content-body");
	  contentBody.innerHTML=xmlhttp.responseText;
	  waitForContentDownload();
    }
  }
xmlhttp.open("GET",contentUrl,true);
xmlhttp.send();
}