function swap(curID, elemID, isBlock)
{
	var cur = document.getElementById(curID);
	cur.style.display = 'none';
	var elem = document.getElementById(elemID);
	
	var displayStyle = 'inline';
	if (isBlock) {
		displayStyle = 'block';		
	}
	elem.style.display = displayStyle;
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}

function toggleImage(page){
	var arr = location.href.split('/');
	var currPage = document.getElementById('topName').value;
	if(currPage == ""){
		currPage = "home";
	}
	var imageTag = document.getElementById(page);
	if(null !== imageTag){
		var imageArr = imageTag.src.split('/');
		var arrayloc = imageArr.length-1;
		var currImage = imageArr[arrayloc];
		
		if(currImage == "navbar_roll_" + page + ".png")
		{
			imageTag.src = "images/navbar_" + page + ".png";
		}else{
			imageTag.src = "images/navbar_roll_" + page + ".png";
		}
		if(currPage == page)
		{
			imageTag.src = "images/navbar_roll_" + page + ".png";
		}
	}
}

function menuLoad(){
	var page = document.getElementById('topName').value;
	toggleImage(page);
}

function toggleImage2(page){
	if(page == "")
		page = "home";
	var par = document.getElementById(page);
	
	var currPage = document.getElementById('topName').value;
	if(currPage == "")
		currPage = "home";
	
	if(par.className == "menu_item_roll"){
		par.className = "menu_item";
	}else{
		par.className = "menu_item_roll";
	}
	if(currPage == page){
		par.className = "menu_item_roll";
	}
}

function menuLoad2(){
	var page = document.getElementById('topName').value;
	toggleImage(page);
}