toggleCategory = function(category){
	$("#prosj_leftcol").children().removeClass('ktgr_container_active');
	$("#prosj_leftcol").children().addClass('ktgr_container');
	$("#"+category+" div").slideToggle("fast",function(){
		$("#"+category).addClass('ktgr_container_active');
	});
}

swapBigImage = function(image_uri){
	$("#hovedbilde").attr("src",image_uri);
}

/* hide all projects not in the active category */
$(document).ready(function(){
	$(".ktgr_container div").hide();
});