// JavaScript Document
function moveBtn(btn,apri){
	btn = typeof(btn)=="string" ? $(btn) : btn;
	var marginLeftInit = 91; //valore presente in layout.css
	var INC=10; //numero di pixel di movimento ad ogni giro
	var MS=25;
	
	clearTimeout(btn.idTime);
	var ml = btn.style.marginLeft ? parseInt(btn.style.marginLeft) : marginLeftInit;
	if(apri && ml > marginLeftInit-90){
		ml -= INC;
		btn.style.marginLeft = ml+"px";
		btn.idTime = setTimeout("moveBtn('"+btn.id+"',true);",MS);
	}else if(!apri && ml < marginLeftInit){
		ml += INC;
		btn.style.marginLeft = ml+"px";
		btn.idTime = setTimeout("moveBtn('"+btn.id+"',false);",MS);
	}else if(apri){
		btn.style.marginLeft = (marginLeftInit-90)+"px";
	}else{
		btn.style.marginLeft = marginLeftInit+"px";	
	}
}