function checkCat(){
var $urlCat = location.search;
if ($urlCat == "?catagory=Web") { 
document.getElementById("details_title_link").innerHTML="";
document.getElementById("details_link").innerHTML="";
}
}

      var XMLHttpRequestObject = false; 

      if (window.XMLHttpRequest) {
        XMLHttpRequestObject = new XMLHttpRequest();
      } else if (window.ActiveXObject) {
        XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
      }

      function getData(dataID) 
      { 
	  var url = "portfolioData.php";	  
        if(XMLHttpRequestObject) {
          var descTag = document.getElementById('project_description_textarea'); 
          XMLHttpRequestObject.open("POST", url); 
		  XMLHttpRequestObject.setRequestHeader('Content-Type','application/x-www-form-urlencoded');

          XMLHttpRequestObject.onreadystatechange = function() 
          { 
            if (XMLHttpRequestObject.readyState == 4 && 
              XMLHttpRequestObject.status == 200) {
			  	var xmlDocument =  XMLHttpRequestObject.responseXML;
				displayData(xmlDocument)
            } 
          } 

          XMLHttpRequestObject.send("id=" + dataID); 
        }
      }
	  
	  function displayData(xmlDocument) {
	  var $urlCat = location.search;
	  var xmlDataNode;
	  var descriptionNode, clientNode, projNameNode, completeDateNode, imageLinkNode, externalLinkNode;
	  var descriptionText, clientText, projNameText, completeDateText, imageLinkText, externalLinkText;
	  
	  xmlDataNode = xmlDocument.documentElement;
	  descriptionNode = xmlDataNode.firstChild;
	  clientNode = descriptionNode.nextSibling;
	  projNameNode = clientNode.nextSibling;
	  completeDateNode = projNameNode.nextSibling;
	  imageLinkNode = completeDateNode.nextSibling;
	  externalLinkNode = imageLinkNode.nextSibling;
	  
	  descriptionText = descriptionNode.firstChild.nodeValue;
	  clientText = clientNode.firstChild.nodeValue;
	  projNameText = projNameNode.firstChild.nodeValue;
	  completeDateText = completeDateNode.firstChild.nodeValue;
	  imageLinkText = imageLinkNode.firstChild.nodeValue;
	  
	  if ($urlCat == "?catagory=Web") {
	  externalLinkText = externalLinkNode.firstChild.nodeValue;
	  }
	  else {
	  externalLinkText = "";
	  }
	  
	  exLinkDiv = "<a href='"+externalLinkText+"' target='_blank'>Click here to launch the site</a>";
	  
	  if ($urlCat == "?catagory=Web") {
	  imDiv = "<a href='"+externalLinkText+"' target='_blank'><img src='"+imageLinkText+"' width='428' height='210' alt='"+projNameText+"' border='0'/></a>";
	  }
	  else {
	  imDiv = "<img src='"+imageLinkText+"' width='428' height='210' alt='"+projNameText+"' border='0'/>";
	  }
	  
	  document.getElementById("details_titles_projectName").innerHTML="Project Name:";
document.getElementById("details_titles_client").innerHTML="Client:";
document.getElementById("details_titles_completed").innerHTML="Completion Date:";
	  
	  document.getElementById("project_description_textarea").innerHTML=descriptionText;
	  document.getElementById("details_php_client").innerHTML=clientText;
	  document.getElementById("details_php_title").innerHTML=projNameText;
	  document.getElementById("details_php_completion").innerHTML=completeDateText;
	  document.getElementById("large_top_image").innerHTML=imDiv;
	  
	  
	  if ($urlCat == "?catagory=Web") { 
			document.getElementById("details_title_link").innerHTML=exLinkDiv;
		}
	  
	  
	  }