var panels = new Array("logon","events","news","useful","contact");

function hideshow(pan0) {
    
    var thispanel = document.getElementById("tpl_panels");
    var panel01 = getElementsByClassName(pan0, "div", thispanel);
    var panel02 = getElementsByClassName("body","div",panel01[0]);
    
    if(panel02[0].style.display == "block"){
	
        panel02[0].style.display = "none";
        var panel03 = getElementsByClassName("flipflop", "div", panel01[0]);
        panel03[0].style.backgroundImage = "url(/design/plain_site/images/yan_button3_up.gif)";
    }else{
        var panels01 = getElementsByClassName("tpl_panel", "div", thispanel);
        for(var i=0;i<panels01.length;i++){
            var thispan1 = getElementsByClassName("body","div",panels01[i]);
            thispan1[0].style.display = "none";
            var thispan2 = getElementsByClassName("flipflop","div",panels01[i]);
            thispan2[0].style.backgroundImage = "url(/design/plain_site/images/yan_button3_up.gif)";
        }
        var rightpan1 = getElementsByClassName("body","div",panel01[0]);
        rightpan1[0].style.display = "block";
        var rightpan2 = getElementsByClassName("flipflop","div",panel01[0]);
        rightpan2[0].style.backgroundImage = "url(/design/plain_site/images/yan_button3_down.gif)";
        
    }
    
}

function init(){
    var checkAccord = getElementsByClassName("accordian");
    if(checkAccord[0]){
	var thispanel = document.getElementById("tpl_panels");
	var panel001 = getElementsByClassName("logon", "div", thispanel);
	var panel002 = getElementsByClassName("body","div",panel001[0]);
	var panel003 = getElementsByClassName("flipflop","div",panel001[0]);
	panel003[0].style.backgroundImage = "url(/design/plain_site/images/yan_button3_down.gif)";
	panel002[0].style.display = "block";
    }
    
    if(document.getElementById("newsbox")){
		var btn1 = document.getElementById("newsbox");
		var btn11 = getElementsByClassName("yan_events", "div", btn1);
		btn11[0].style.display = "none";
		btn2 = getElementsByClassName("members_news", "div", btn1);
		btn2[0].style.display = "none";
		btn3 = getElementsByClassName("members_events", "div", btn1);
		btn3[0].style.display = "none";
	}
}

function hideshow2(news0) {    
    var thispanel = document.getElementById("newsbox");
    var news01 = getElementsByClassName("yan_news", "div", thispanel);
    var news02 = getElementsByClassName("yan_events","div", thispanel);
	var news03 = getElementsByClassName("members_news", "div", thispanel);
    var news04 = getElementsByClassName("members_events","div", thispanel);
    
    news01[0].style.display = "none";
	news02[0].style.display = "none";
	news03[0].style.display = "none";
	news04[0].style.display = "none";
	var btn1 = document.getElementById("yan_newsbox_latest").className = "";
	var btn2 = document.getElementById("yan_eventsbox_latest").className = "";
	var btn3 = document.getElementById("members_newsbox_latest").className = "";
	var btn4 = document.getElementById("members_eventsbox_latest").className = "";
	if(news0 == "yanN"){
		news01[0].style.display = "block";
		var btn1 = document.getElementById("yan_newsbox_latest").className = "selected";
	}else if(news0 == "yanE"){
		news02[0].style.display = "block";
		var btn2 = document.getElementById("yan_eventsbox_latest").className = "selected";
	}else if(news0 == "memN"){
		news03[0].style.display = "block";
		var btn3 = document.getElementById("members_newsbox_latest").className = "selected";
	}else if(news0 == "memE"){
		news04[0].style.display = "block";
		var btn4 = document.getElementById("members_eventsbox_latest").className = "selected";
	}
}

/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};