var contentClass = "contentBox";
var menuClass = "contentButton";
var rootDiv = "contentWide";
var menuRoot = "btn_";

var isIE = false;
var IE7 = false;
function init(){
	hideContent();
	var locationHash = location.hash.toLowerCase();
	if (locationHash != "" && locationHash.length > 1 && locationHash.indexOf("slideframe") == -1){
		var d_s = locationHash.substr(1);
		$(d_s).show();
	//	showContent(d_s);
	}else{
		$(rootDiv).show();
	}
	checkBrowser();
	//document.body.scrollTop = 0;
	//scroll(0,0);	
}

function selectButton(btn){ 
	$$('.selected').each(function(s){
		s.removeClassName('selected');
	});
	$$('.aboveSelected').each(function(s){
		s.removeClassName('aboveSelected');
	});
	$(btn).addClassName('selected');
	var siblings = $(btn).previousSiblings();
	if (siblings.length > 0){
		siblings[0].addClassName('aboveSelected');
	}
	
}
function hideContent(){
	$$('.pageContent').each(function(s){
		s.hide();
	});
}
function showContent(d){
	if (d){
		Effect.Appear(d, {duration:0.5});	
		selectButton(menuRoot + d);
	}
}
function checkBrowser(){
	var version = 0;
	if (window.navigator) {
		if (window.navigator.appName == "Microsoft Internet Explorer"){
			var msieStart = window.navigator.userAgent.indexOf("MSIE ");
			if (msieStart > -1) {
				isIE = true;
				var version = parseFloat(window.navigator.userAgent.substr(msieStart + 5));				
				if (version == 7) {
					IE7 = true;
				}
			}
		}
	}	
}
function handleOnClick(obj,evt){
	if (obj){
		if (obj.href && obj.href.indexOf("#") >= 0){
			hideContent();
			var hr = obj.href;
			var d_s = hr.substr(obj.href.indexOf("#")+1);
			showContent(d_s);				

			scroll(0,0);
			if (isIE){
				event.returnValue = false;
			}else{
				evt.preventDefault();
			}	
		}
		return false;
	}
}