function menu_switchOpen(id,menuitem)
{
	var id = document.getElementById(id);

	if(id.style.display=='none')
	{
		id.style.display = 'inline';
		menuitem.className='selected';
	}
	else
	{
		id.style.display = 'none';
		menuitem.className='leftmenuspan';
	}
}

var prev = 0;
function zobraz(typ,id){
	this.thediv=document.getElementById(id);
	if (typ == "otevri")
	this.thediv.style.display = "block";
	else this.thediv.style.display = "none";
}
    
function posun(id,x,y,stav){
	this.thediv=document.getElementById(id);
	if (stav == 2 && prev == 1){
		this.thediv.style.left = (x-(200)/2)+"px";
		this.thediv.style.top = (y-20)+"px";
		prev = 1;
	}
	else if (stav == 0)	prev = 0;
	else if (stav == 1 && prev == 0) prev = 1;
	return prev;
}