function set_menu() {
    var selected_menu = params("mid");
    var menu_ind = "0";

    if (selected_menu == undefined) {
	menu_ind = "0";
    }
    else {
	menu_ind = selected_menu;
    }

//    document.getElementById("menu" + menu_ind).className="menuon";
}

function set_add_img() {
    document.getElementById("rotate_add").className="addimg";
}



var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id)
{	
	mcancelclosetime();
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, 500);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;