// script written by Radek HULAN
// http://hulan.cz/

// helper functions

// use like onclick="return openwin(this.href)"
function openwin(url) {
  if( window.open(url,'','width=800,height=600,left=0,top=0,scrollbars=yes,location=yes,resizable=yes') ) return false; else return true;
}
 

var isXHTML;
function createNewEle(ele){
	if(isXHTML) 
		{ return document.createElementNS('http://www.w3.org/1999/xhtml', ele); }
	else 
		{ return document.createElement(ele); };
};	

// MENU FUNCTIONS
var oMenuTimeout;
function hideMenu(){
	oMenuTimeout=window.setTimeout("hideAllMenu()",1000);
}
function showMenu(item){
	if (item == 0)
		showSubMenu(0);
	if (oMenuTimeout)
		window.clearTimeout(oMenuTimeout);
	var ele;
	for (var i=1; i<=7; i++) {
		ele=document.getElementById('submenu'+i);
		if (ele) if (i==item) ele.style.display='block'; else ele.style.display='none';
	}
}
function showSubMenu(item){
	var ele;
	for (var i=1; i<=3; i++) {
		ele=document.getElementById('subsubmenu'+i);
		if (ele) if (i==item) ele.style.display='block'; else ele.style.display='none';
	}
}
function hideAllMenu(){
	var ele = document.getElementById('mainmenu');
	var ol = ele.getElementsByTagName("OL");
	for (var i = 0; i < ol.length; i++)	ol[i].style.display = 'none';
}