function getChecks() {
	var type_categories = new Array();
	var branch_categories = new Array();

	// get alle actives van #type en zet de title attribute in de array categories
	$('#type a.active').each(function(){
	       type_categories.push($(this).attr('title'));
	});
	
	$('#branch a.active').each(function(){
	    branch_categories.push($(this).attr('title'));
	});
	
	// alle logos laten zien die voldoen aan type_categories
	
	if(type_categories.length > 0 || branch_categories.length > 0) {
		$('#no_checks').hide();
		
		$('#with_checks .logo_tease_box .wrapper_logo .categories').each(function() {
			var text = $(this).text();
			
			show = true;
			
			if (type_categories.length > 0){
				for(i=0; i < type_categories.length; i++) {
					if(!text.match(type_categories[i]) && type_categories[i]!= 'alles') {
						show = false;
					}
				}
			}
		
		    if(show) {
		    	if(branch_categories.length > 0) {
			     	show = false;
			     	
					for(i=0; i < branch_categories.length; i++) {
						if(branch_categories == '*' || (text.match(branch_categories[i]) && show == false)) {
							show = true;
						}
					}
			
					if(show) {
						$(this).parent().show();
					} else {
						$(this).parent().hide();
					}
				} else {
					$(this).parent().show();
				}
			} else {
				$(this).parent().hide();
			}
		});
	} else {
		$('#no_checks').show();
		$('#with_checks .logo_tease_box .wrapper_logo').hide();
	}
}

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
}

function changeClass(en,cn) {
	if(!document.getElementById) return;
	var element = document.getElementById(en);	
	element.className = cn;
}

function setImgSize(classNameStr, widthNum, heightNum) {
	nodes = getElementsByClassName(classNameStr);
	for(i=0; i < nodes.length; i++) {
		node = nodes[i];
		if(node.width > widthNum) node.width = widthNum;
		if(node.height > heightNum) node.height = heightNum;
	}
}

function getElementsByClassName(classNameStr) {
	tagNameStr = '*';
	var elements = document.getElementsByTagName(tagNameStr);

	var nodes = [];
	for(i=0; i < elements.length; i++) {
		element = elements[i];
		if(element.className == classNameStr) {
			nodes[nodes.length] = element;
		}
	}
	
	return nodes;
}

imageNumber = 1;
function showNextImage() {
	var imageId = 'product_img';
	if(document.getElementById(imageId + imageNumber)) Effect.Fade(imageId + imageNumber);
	
	if(document.getElementById(imageId + (imageNumber + 1))) {
		imageNumber += 1;
	} else {
		imageNumber = 1;
	}
	Effect.Appear(imageId + imageNumber);
}
function showPrevImage() {
	var imageId = 'product_img';
	if(document.getElementById(imageId + imageNumber)) Effect.Fade(imageId + imageNumber);
	
	if(document.getElementById(imageId + (imageNumber - 1))) {
		imageNumber -= 1;
	} else {
		while(document.getElementById(imageId + (imageNumber + 1))) {
			imageNumber++;
		}
	}
	Effect.Appear(imageId + imageNumber);
}


function showRecentCaseImage(thisObj, stopTimeout) {
	if(stopTimeout) { clearTimeout(timeoutId); }
	
	photoHolder = thisObj.parent().siblings('.photoholder');
	cases		= photoHolder.parent().parent();
	
	photoHolderVisible = cases.find('.photoholder:visible')
	if(photoHolderVisible.length > 0) {
		photoHolderVisible.fadeOut();
		photoHolderVisible.siblings('.tab').animate({ backgroundColor: "#ededed" }, "slow")
		photoHolderVisible.siblings('.tab').find('a').animate({ color: "#777777" }, "slow")
	}
	
	thisObj.animate({ color: "#FFFFFF" }, "slow")
	thisObj.parent().animate({ backgroundColor: "#279afb" }, "slow")
	photoHolder.fadeIn("slow");
}

var i = 1;
var timeoutId;
function anitmateRecentCaseImages() {
	activeTab = $('#recent_cases > .case .tab_' + i + ' a');
	
	showRecentCaseImage(activeTab, false);
							
	if($('#recent_cases > .case .tab_' + (i+1) + ' a').length > 0) { i++; } else { i = 1; }
	
	timeoutId = setTimeout("anitmateRecentCaseImages()",5000);
}



window.onload = function(){ 
	externalLinks();
	
	if(document.getElementById('recent_cases')) anitmateRecentCaseImages();
	
	getChecks()
	
}