// set the css classes for the dropdown menu events to make it work in internet explorer
function SetNavigation()
{
	if (document.all&&document.getElementById)
	{
		var navElements = document.getElementById('navigation').getElementsByTagName('LI');
		
		for(i= 0; i < navElements.length; i++)
		{
			//if(navElements[i].getElementsByTagName('UL').length > 0)
			//{
		 
				navElements[i].onmouseover = function()
					{
						this.className += ' over';
					};

				navElements[i].onmouseout = function()
					{
						this.className = this.className.replace(' over','');
					};
			//}
		}
	}
}

// add a new event to an event handler
function addEvent(obj, evType, new_function)
{ 
	if (obj.addEventListener)
	{ 
		obj.addEventListener(evType, new_function, true); 
		return true; 
	} 
	else if (obj.attachEvent)
	{ 
		var r = obj.attachEvent('on'+evType, new_function); 
		return r; 
	}
	else return false; 
}


// add current site page to favourites; cross-browser function
function addBookmarkForBrowser()
{
	if (document.all)
	{
		//window.external.AddFavorite(document.location.href, document.title);
		window.external.addFavorite('http://www.xaveriusstrita.be', '32/46 Xaverius/St.-Rita scouts');
	} 
	else
	{
		alert("Press control-D to bookmark this page. (mozilla/firefox)");
	}
}

// number of active tab and the related visible tab view
var int_activeTabNr	= 1;

// show the tab page related to the clicked tab on a row of different tabs with related data
// hide the previous tab
function switchTabView(int_tabNr)
{
	if(int_activeTabNr != int_tabNr)
	{
		// hide previous tab view and set it inactive
		var obj_tab 	= document.getElementById('tab_' + int_activeTabNr);
		var obj_tabView	= document.getElementById('tabview_' + int_activeTabNr);
	
		obj_tab.className 			= "tab";
		obj_tabView.style.display 	= "none";
	
		// set new tab active and set it's view visible
		obj_tab 	= document.getElementById('tab_' + int_tabNr);
		obj_tabView	= document.getElementById('tabview_' + int_tabNr);
	
		obj_tab.className 			= "tab_active";
		obj_tabView.style.display 	= "";
		
		int_activeTabNr = int_tabNr;
	}
}