function open_win(loc,id,width,height,resize,scroll)
{
	var top = (screen.height - height) / 2;
	var left = (screen.width - width) / 2;
	window.open(loc,id,"width="+width+",height="+height+",left="+left+",top="+top+",scrollbars="+scroll+",resizable="+resize);
}

function do_action(id)
{
	open_win("about:blank",id,"400","300","no","no");
}

function do_action_get(id,params,width,height,resize,scroll)
{
	if (!width)
        {
        	width = 400;
                height = 300;
                resize = "no";
                scroll = "no";
        }
	open_win("/actions.php?act="+id+"&"+params,id,width,height,resize,scroll);
}

function show_hide(id)
{
	obj = document.getElementById(id);
        pic = document.getElementById(id+'_pic');

        if(obj.style.display == '')
        {
		pic.src = '/img/add.gif';
		obj.style.display = 'none';
        }
        else
	{
		pic.src = '/img/minus.gif';
		obj.style.display = '';
        }
}

function hide_show(id) {
	obj = document.getElementById(id);
        if(obj.style.display == '') {
		obj.style.display = 'none';
        } else {
		obj.style.display = '';
        }
}