function findIndex(elements, id){
	for(var i=0; i<elements.length; i++){
		if(elements[i]==id){
	    	return i;
		}
	}
	return -1;
}
	
function display_content(id, start){
	var elements = ["one", "two", "three", "four"];
	elements.splice(findIndex(elements, id), 1);
	if (start != 'true') {
		$("#display_image").fadeTo("slow", 0, function() {
			$("#display_image").attr({src:$('#portfolio-picture-' + id).attr("src")});
			$("#display_image").fadeTo("slow", 1.0);			
		});
	} else {
		$("#display_image").attr({src:$('#portfolio-picture-' + id).attr("src")});
		$("#display_image").show();
	}
	for (var el in elements) {
		$("#portfolio-content-" + elements[el]).hide();
	}
	$("#portfolio-content-" + id).show();

	$('.portfolio-views p').show();
	$(this).find('p').hide();
}