var SelectableItems = new Array
(
"submenu1",
"submenu2",
"submenu3",
"submenu4",
"submenu5"
);

var SelectedClass = "show";
var UnSelectedClass = "hide";

function Select(elementname)
{
	for (var i = 0; i < SelectableItems.length ; i++ )
	{
		var useID = SelectableItems[i];
		var e = document.getElementById(useID);
		e.className = (useID == elementname) ? SelectedClass : UnSelectedClass;
		if(useID == elementname){
			overIMG(i+1);
		}
	}
	//element.blur();
}

function unSelect(elementname)
{
	for (var i = 0; i < SelectableItems.length ; i++ )
	{
		var useID = SelectableItems[i];
		var e = document.getElementById(useID);
		e.className = UnSelectedClass;
		if(useID == elementname){
			offIMG(i+1);
		}
	}
	//element.blur();
}

function overIMG(num)
{
	//alert("hi");
	var myElement = document.getElementById("topnav"+num);
	//alert(myElement);
	myElement.src="images/nav_bar_"+num+"_on.gif";
}
function offIMG(num)
{
	//alert("hi");
	var myElement = document.getElementById("topnav"+num);
	//alert(myElement);
	myElement.src="images/nav_bar_"+num+".gif";
}