function changeIt(imageName,objName)
		{
		var obj = document.getElementById(objName);
		var imgTag = "<img src='"+imageName+"' alt='"+imageName+"' style='border: 0px'/>";
		obj.innerHTML = imgTag;
		return;
		}
		
		
		function show_events(tabId,divId) 
		{
			document.getElementById('tab_2012').style.borderRightColor = "#222222";
			document.getElementById('tab_2012').style.backgroundColor = "#999999";
			document.getElementById('tab_2011').style.borderRightColor = "#222222";
			document.getElementById('tab_2011').style.backgroundColor = "#999999";
			document.getElementById('tab_2010').style.borderRightColor = "#222222";
			document.getElementById('tab_2010').style.backgroundColor = "#999999";
			document.getElementById('tab_2009').style.borderRightColor = "#222222";
			document.getElementById('tab_2009').style.backgroundColor = "#999999";
			document.getElementById('tab_2008').style.borderRightColor = "#222222";
			document.getElementById('tab_2008').style.backgroundColor = "#999999";
			document.getElementById('tab_2007').style.borderRightColor = "#222222";
			document.getElementById('tab_2007').style.backgroundColor = "#999999";
			document.getElementById('tab_2006').style.borderRightColor = "#222222";
			document.getElementById('tab_2006').style.backgroundColor = "#999999";
			
			var tab = document.getElementById(tabId); 
			tab.style.borderRightColor = "#000000";
			tab.style.backgroundColor = "#e00b0b";
			
			document.getElementById('events_2012').style.display = "none";
			document.getElementById('events_2011').style.display = "none";
			document.getElementById('events_2010').style.display = "none";
			document.getElementById('events_2009').style.display = "none";
			document.getElementById('events_2008').style.display = "none";
			document.getElementById('events_2007').style.display = "none";
			document.getElementById('events_2006').style.display = "none";
			
			var div = document.getElementById(divId); 
			div.style.display = "block";
		}
		
		
		function show_or_hide(objId) 
		{
			var obj = document.getElementById(objId); 

			if (obj.style.display == "none") {
				obj.style.display = "block"; 
			}
			else {
				obj.style.display = "none"; 
			}
		}

		
		function menu(objId) 
		{
			var obj = document.getElementById(objId); 

			if (obj.className != "on") {
				obj.src += "_on";
			}

		}