function ChangeImage(text) {
	document.image_product.src = text.substr(0, text.length - 10) + '.png';
	return false;
}

var isNN = (navigator.appName.indexOf("Netscape") != -1);

function autoTab(input, len, e) 
{
	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
	}

	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
			if(arr[index] == ele)
				found = true;
			else
				index++;
				
		return found;
	}

	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
			if (input.form[i] == input)
				index = i;
			else 
				i++;
			
		return index;
	}
  
	return true;
}

function getBargainAjax()
{
			var m_Ajax;
			
			try {
				m_Ajax = new XMLHttpRequest();
			} 
			catch(e) {
				try {
					m_Ajax = new ActiveXObject("Msxml2.XMLHTTP");
				} 
				catch(e) {
					try {
						m_Ajax = new ActiveXObject("Microsoft.XMLHTTP");
					} 
					catch(e) {
						alert('No AJAX support.');
						return false;
					}
				}
			}
			
			m_Ajax.onreadystatechange = function() 
			{
				if(m_Ajax.readyState == 4) {
					document.getElementById('aanbieding').innerHTML = m_Ajax.responseText;
				}
			}
			
			m_Ajax.open("GET", "/aanbieding.php", true);
			m_Ajax.send(null);
			
			setTimeout('getBargainAjax()', 10000)
			return true;
}