function addListener(element, type, expression) {
	try {
		if(window.attachEvent) { //For IE
			element.attachEvent('on'+type, expression);
		} else if(window.addEventListener)	{ //For FF, Opera, Safari etc
			element.addEventListener(type, expression, false);
		}
	} catch(e) { }
}

addListener(window, 'load', function() {
    
	var element = document.getElementById('f_sorting_id');
	addListener(element, 'change', function() {
		submitFormItemSorting(element);
	});
    
});


function submitFormItemSorting(eElement) {
    var form = document.getElementById('form_item_sorting');
    form.action = document.getElementById('friendlyurlgenerator').value;    
	form.submit();
}

function share_button_click(site) {
	var site = site;
	u=location.href;
	t=document.title;
	
	if(site=='fb')
		window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t));
	
	if(site=='myspace')
		window.open('http://www.myspace.com/Modules/PostTo/Pages/?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t)+'&l=3&c=');

	if(site=='twitter')
		window.open('http://twitter.com/home?status=Currently reading '+encodeURIComponent(u));
	
	if(site=='stumbleupon')
		window.open('http://www.stumbleupon.com/submit?url='+encodeURIComponent(u)+'&title='+encodeURIComponent(t));
	
	return false;
}