sfHover = function() {
	if(document.getElementById("nav"))
	{
		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);


$(document).ready(function()
{
	$('#newsletter_form').ajaxForm(function() { 
		$("#email").val('');
		alert("Thank you for registering!"); 
	});
	
	$("a._blank").click(function() {
		window.open(this.href);
		return false;
	});
	
	$("#search a").click(function() {
		var toSearch = $("#search :text").val();
		
		if(toSearch == "") return false;
		
		location.href = "/search/"+toSearch;
	});
	
	$(".back").click(function(){
	   history.go(-1); 
	});
});

function checkEnter(e)
{	
	var characterCode;
	
	if(e && e.which)
	{
		e = e;
		characterCode = e.which;
	}
	else
	{
		e = event;
		characterCode = e.keyCode;
	}
	
	if(characterCode == 13)
	{
		$("#search a").click();
		return false;
	}
}