function o(identyfikator) {
	return document.getElementById(identyfikator);
}


function makeButton(class_name){
    var miniesFx = new Array();
    $$(class_name).each(function(element,i){
        miniesFx[i] = new Fx.Styles(element, {
            duration:200,
            wait:false
        });

        element.addEvent('mouseenter', function(){
            miniesFx[i].start({
                'opacity': 0.5
            });
        });

        element.addEvent('mouseleave', function(){
            miniesFx[i].start({
                'opacity': 1
            });
        });
    });
}


function makeHover(class_name)
{ 
	$$(class_name).each(function(el){
	   var imgs = el.getChildren();
	   var active = el.getAttribute('name');
	   var img = new Asset.image(active);
	   var inactive = imgs[0].getAttribute('src');
	   el.addEvent('mouseenter', function(){ imgs[0].setAttribute('src', active); });
	   el.addEvent('mouseleave', function(){ imgs[0].setAttribute('src', inactive); });
	});
}
 


function validateEmail(string) {
	
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		return true;
	else
	return false;
}