// Create a cookie with the specified name and value.
// The cookie expires at the end of the 20th century.
function SetCookie(sName, sValue)
{
  var now = new Date();
  cookie_exp = new Date(now.getFullYear() + 1, now.getMonth(), now.getDay());
  document.cookie = sName + "=" + escape(sValue) + "; expires=" + cookie_exp.toGMTString() + "; path=/"; 
}

// Retrieve the value of the cookie with the specified name.
function GetCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
      return unescape(aCrumb[1]);
  }

  // a cookie with the requested name does not exist
  return null;
}
function opnewWin (s, w, h, is_centered)
{	
	if (is_centered == 1)
	{
		var coord = new Array();
		coord = get_center_window_coord(h, w);
		left_pos = coord["x"];
		top_pos = coord["y"];
		winank = window.open(s, "picture", "height=" + h + ",width=" + w + ",,,,,,top=" + top_pos + ",left=" + left_pos);
	}
	else
	{
		winank = window.open (s, "picture", "width= " + w + ", height= " + h);
	}	
}

function nav_onclick(){
	var a_li;
	nav_obj = document.getElementById('nav');
	if(nav_obj != "null"){
		if(nav_obj.hasChildNodes){
			for(var i =0; i < nav_obj.childNodes.length; i++ ){
				if(nav_obj.childNodes[i].nodeName == 'LI'){
					// li element
					li_obj = nav_obj.childNodes[i];	
					if(li_obj.hasChildNodes){
						for(var li =0; li < li_obj.childNodes.length; li++ ){
								if(li_obj.childNodes[li].nodeName == 'A'){
									a_li = li;
								}
								if(li_obj.childNodes[li].nodeName == 'UL'){
									if(li_obj.childNodes[li].hasChildNodes){
										if(li_obj.childNodes[li].childNodes.length > 0){
											// podmenyu!!!
											id_menu = li_obj.childNodes[a_li].id
											li_obj.childNodes[a_li].onclick=new Function('menu_click('+ id_menu +'); return false;');
										}
									}
								}
						}
					}
				}
			}
		}
	}
}



function menu_click(id_menu){
	nav_obj = document.getElementById('s'+id_menu);
	if(nav_obj != null){
		nav_obj.className = 'open_menu';
	}
}