// Navigation Rollover Functions
// Written by Macromedia Dreamweaver 8
// Modified by Andrew Slane

function MM_preloadImages() {
	var d=document;
	if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
	   		if (a[i].indexOf("#")!=0) {
				d.MM_p[j]=new Image;
				d.MM_p[j++].src=a[i];
			}
	}
}
	
function MM_findObj(n, d) {
	var p,i,x;
	if(!d) d=document;

	if((p=n.indexOf("?"))>0&&parent.frames.length) {
	    	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}

  	if(!(x=d[n])&&d.all) x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  	if(!x && d.getElementById) x=d.getElementById(n); return x;
}
	
function MM_nbGroup(event, grpName) {
	var i,img,nbArr,args=MM_nbGroup.arguments;
	if (event == "init" && args.length > 2) {
		if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
			img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
			if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
			nbArr[nbArr.length] = img;
			for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up) img.MM_up = img.src;
				img.src = img.MM_dn = args[i+1];
				nbArr[nbArr.length] = img;
			}
		}
	} else if (event == "over") {
		document.MM_nbOver = nbArr = new Array();
		for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
			if (!img.MM_up) img.MM_up = img.src;
			img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
			nbArr[nbArr.length] = img;
		}
	} else if (event == "out" ) {
		for (i=0; i < document.MM_nbOver.length; i++) {
			img = document.MM_nbOver[i];
			img.src = (img.MM_dn) ? img.MM_dn : img.MM_up;
		}
	} else if (event == "down") {
		nbArr = document[grpName];
		if (nbArr)
			for (i=0; i < nbArr.length; i++) {
				img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0;
			}
		document[grpName] = nbArr = new Array();
		for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
			if (!img.MM_up) img.MM_up = img.src;
			img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
			nbArr[nbArr.length] = img;
		}
	}
}

function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr;
	for (i=0; a && i < a.length && (x=a[i]) && x.oSrc; i++)
		x.src = x.oSrc;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments;
	document.MM_sr=new Array;
	for(i=0; i < (a.length-2); i+=3)
		if ((x=MM_findObj(a[i]))!=null) {
			document.MM_sr[j++]=x;
			if (!x.oSrc)
				x.oSrc=x.src;
			x.src=a[i+2];
		}
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}
function showThisWeeksShow() {
	hidediv('aboutThePodcast');
	hidediv('whosEvilEd');
	hidediv('listenToPastShows');
	showdiv('thisWeeksShow');
}

function showListenToPastShows() {
	hidediv('aboutThePodcast');
	hidediv('whosEvilEd');
	showdiv('listenToPastShows');
	hidediv('thisWeeksShow');
}

function showWhosEvilEd() {
	hidediv('aboutThePodcast');
	showdiv('whosEvilEd');
	hidediv('listenToPastShows');
	hidediv('thisWeeksShow');
}

function showAboutThePodcast() {
	showdiv('aboutThePodcast');
	hidediv('whosEvilEd');
	hidediv('listenToPastShows');
	hidediv('thisWeeksShow');
}