function HideContent(d) {
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
document.getElementById(d).style.display = "block";
}

function toggleThumbnails(d,l){
	ReverseDisplay(d);
	if(document.getElementById(d).style.display == "none"){
		document.getElementById(l).innerHTML = 'show thumbnails';
	}else{
		document.getElementById(l).innerHTML = 'hide thumbnails';
	}
}

function ReverseDisplay(d) {
	if(document.getElementById(d).style.display == "none"){ 
		document.getElementById(d).style.display = "block"; 
	}else{
		document.getElementById(d).style.display = "none";
	}
}

function changeImage(c,p){
	loadPortfolioElement('/includes/portfolio.php?c='+c+'&p='+p, 'ImageContentHolder');
}
function loadPortfolioElement(fragment_url, element_id) { 
    var element = document.getElementById(element_id); 
    //document.getElementById('loadInfo').innerHTML = 'Loading ...'; 
    element.innerHTML = '<div id="Loader">Loading...</div>';
    xmlhttp.open("GET", fragment_url); 
    xmlhttp.onreadystatechange = function() { 
      if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
      element.innerHTML = xmlhttp.responseText; 
      
      //document.getElementById('loadInfo').innerHTML = '....'; 
      } 
    } 
    xmlhttp.send(null); 
}