var transition = false, x1, x2, y1, y2, step, timer, steps = 50;

function effect(o,id_categorie,detalii_anunt) {
	if(transition == true) return;
	if(!o.checked) return;
	transition = true;
	
	
	if(!isNaN(window.anunturi_sel_cat[id_categorie]) && detalii_anunt==false) {
			var id_dest = 'anunturi_sel_cat'+id_categorie;
			if(id_categorie==21 || id_categorie==24 || id_categorie==23 || id_categorie==22)
						window.id_mover = 'mover2';
			else if(id_categorie==3 || id_categorie==13 || id_categorie==4  ||  id_categorie==14 || id_categorie==5 ||  id_categorie==15 || id_categorie==6  || id_categorie==16 || id_categorie==17 || id_categorie==7 || id_categorie==8  || id_categorie==18 || id_categorie==9 || id_categorie==19)
				window.id_mover = 'mover3';
			else 	window.id_mover = 'mover1';
	}
	else { 
	
		var id_dest = 'selectedAdsButton';
		window.id_mover = 'mover1';
			
	}
	

	findElement(window.id_mover).style.left = getX(o)+'px';
	findElement(window.id_mover).style.top = getY(o)+'px';
	findElement(window.id_mover).style.visibility = 'visible';
	x1 = findElement(window.id_mover).offsetLeft;
	y1 = findElement(window.id_mover).offsetTop;
	x2 = x1 + getX(findElement(id_dest)) - getX(o);
	y2 = y1 + getY(findElement(id_dest)) - getY(o);
	step = 0;
	timer = setInterval("animation()", 40);
}

function animation() {
	step+=2;
	if(step >= steps) {
		clearInterval(timer);
		findElement(window.id_mover).style.visibility = 'hidden';
		transition = false;
	}
	x = x1 + (x2-x1) * (step/steps);
	y = y1 + (y2-y1) * (step/steps);
	findElement(window.id_mover).style.left = x+'px';
	findElement(window.id_mover).style.top = y+'px';
}


function getX(o) {
	var t = 0;
	while(o != null) {
		t += o.offsetLeft;
		o = o.offsetParent;
	}
	return t;
}

function getY(o) {
	var t = 0;
	while(o != null) {
		t += o.offsetTop;
		o = o.offsetParent;
	}
	return t;
}