// JavaScript Document
function filterpost(elem)
{
	if(elem.value == "all")
	{
		showall();
	}
	else if(elem.value == "blog")
	{
		hidepodcast();
	}
	else if(elem.value == "podcast")
	{
		hideblog();
	}
}


function showall()
{
	var divs = document.getElementsByTagName("div");
	for(var i=0; i<=divs.length; i++) {
		if(divs[i].className == 'blogpost') {
			divs[i].style.display = "block";
		}
		else if(divs[i].className == 'podcast') {
			divs[i].style.display = "block";
		}
	}
}

function hideblog()
{
	var divs = document.getElementsByTagName("div");
	for(var i=0; i<=divs.length; i++) {
		if(divs[i].className == 'blogpost') {
			divs[i].style.display = "none";
		}
		else if(divs[i].className == 'podcast') {
			divs[i].style.display = "block";
		}
	}
}

function hidepodcast()
{
	var divs = document.getElementsByTagName("div");
	for(var i=0; i<=divs.length; i++) {
		if(divs[i].className == 'podcast') {
			divs[i].style.display = "none";
		}
		else if(divs[i].className == 'blogpost') {
			divs[i].style.display = "block";
		}
	}
}