// JavaScript Document

function preloader() {
	var homeHover = new Image();
	homeHover.src = "img/nav_home_hover.jpg";
	
	var newsHover = new Image();
	newsHover.src = "img/nav_news_hover.jpg";
	
	var showsHover = new Image();
	showsHover.src = "img/nav_home_hover.jpg";
	
	var mediaHover = new Image();
	mediaHover.src = "img/nav_media_hover.jpg";
	
	var dirHover = new Image();
	dirHover.src = "img/nav_dir_hover.jpg";
	
	var aboutHover = new Image();
	aboutHover.src = "img/nav_about_hover.jpg";
	
	var contactHover = new Image();
	contactHover.src = "img/nav_contact_hover.jpg";
}

function redirect() {
	var section = prompt("This link is for testing purposes only. Enter the number of your destination below:\n\n1 = Home\n2 = Shows\n3 = Media");
	
	switch(section) {
		case "1":
			window.location = "http://www.jervo.com/drexel/2008_spring/DIGM-242-002B/mainwebsite/index.html";
			break;
		case "2":
			window.location = "http://www.jervo.com/drexel/2008_spring/DIGM-242-002B/mainwebsite/shows.html";
			break;
		case "3":
			window.location = "http://www.jervo.com/drexel/2008_spring/DIGM-242-002B/mainwebsite/media.html";
			break;
		default:
			break
	}
	
	return;
}
				  
function resizeSidebars(newHeight){
  document.getElementById('updates').style.height = newHeight - 10 + 'px';
  document.getElementById('mediaplayer').style.height = newHeight - 10 + 'px';
}

function findTallestColumn(){
  var updates = document.getElementById('updates');
  var shows = document.getElementById('showsSection');
  var mediaplayer = document.getElementById('mediaplayer');
	
  if((shows.offsetHeight > updates.offsetHeight) || (mediaplayer.offsetHeight > updates.offsetHeight)){
    var tallestColumn = (shows.offsetHeight > mediaplayer.offsetHeight) ? shows.offsetHeight : mediaplayer.offsetHeight;
  }
    resizeSidebars(tallestColumn);
}

window.onload = findTallestColumn;
preloader();