// SUCKERFISH DROPDOWN ------------------------------------------------- //

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

// show or hide layers
function showhide(id){
  if(document.getElementById(id).style.display == 'none') {
    document.getElementById(id).style.display = 'block';
  } else {
    document.getElementById(id).style.display = 'none';
  }
}
function show(id){
  document.getElementById(id).style.display = 'block';
}
function hide(id){
  document.getElementById(id).style.display = 'none';
}