function show_charges()
{
	document.getElementById('div_charges').style.display = 'block';
}
function hide_charges()
{
	document.getElementById('div_charges').style.display = 'none';
}

function popup_trend(trend_id) 
{
	window.open('trend_'+trend_id+'.html','trend','width=300,height=400,scrollbars=no');
}

function debit()
{
	var div = document.getElementById('div_debit');
	var input = document.getElementById('input_debit');

	if(input.checked == false)
	{
		div.style.display = "none";
	}
	else
	{
		div.style.display = "block";
	}
}

function print_order()
{
	window.open('bestellungs_uebersicht.php','order','width=600,height=700,scrollbars=yes');
}


function article_toggle_image(folder, name, alt, lightbox)
{
	if (lightbox == "yes")
	{
		document.getElementById('article_img').innerHTML = 
			'<a href="img/' + folder + '/700x525/' + name + '.jpg" rel="lightbox[]" title="' + alt + '">'
			+ '<img src="img/' + folder + '/400x300/' + name + '.jpg" alt="' + alt + '" />'
			+ '</a>';
	}
	else
	{
		document.getElementById('article_img').innerHTML = 
			'<img src="img/' + folder + '/400x300/' + name + '.jpg" alt="' + alt + '" />';
	}
}

function preload() {
	images = document.getElementById('extra_images');
	if(images != null)
	{
		links = images.getElementsByTagName('img')
		
		for (i=0; i < links.length; i++)
		{
			var Bild = new Image();
			Bild.src = links[i].src.replace(/img\/articles_extra\/75x56/, "img/articles_extra/400x300");
		}
	}
}

function __addEventHandler(element, event, handler)
{
	var _tmp, o_onevent;
	if(!element || !event)
		return false;
	if(element.addEventListener)
		element.addEventListener(event, handler, false);
	else
	{
		_onevent = 'on' + event;
		if(element.attachEvent)
			element.attachEvent(_onevent, handler);
		else
		{
			_tmp = element[_onevent];
			element[_onevent] = typeof _tmp == 'function' ? (function() { _tmp(); handler(); } ) : handler;
		}
	}
}

wmtt = null;
document.onmousemove = updateWMTT;
function updateWMTT(e) {
  if (wmtt != null) {
    x = (document.all) ? window.event.x + wmtt.offsetParent.scrollLeft : e.pageX;
    y = (document.all) ? window.event.y + wmtt.offsetParent.scrollTop  : e.pageY;
    wmtt.style.left = (x + 20) + "px";
    wmtt.style.top   = (y + 20) + "px";
  }
}
function showWMTT(id) {
  wmtt = document.getElementById(id);
  wmtt.style.display = "block";
}
function hideWMTT() {
  wmtt.style.display = "none";
}

function setSize(index, start)
{
	maxIndex = document.getElementById('size').length;
	document.getElementById('size').selectedIndex =	index;
	for(i = start; i<maxIndex; i++)
	{
		if(i == index)
			document.getElementById('sizeLink' + i).className = 'hover';
		else
			document.getElementById('sizeLink' + i).className = '';
	}
}