$(document).ready(function() {
	observeNav();
	openNav();	
});

function observeNav() {
	$("#nav li.top").bind("mouseenter",function(){  
		
		if ($(this).children("ul").children().length < 2) {
			$(this).children("ul").addClass('active');
		};
		
		$(this).children("ul").slideDown("fast", function() {
			$(this).addClass('active');			
		});
	});

	$("#nav li.top").bind("mouseleave",function(){
			$(this).children("ul").slideUp("fast").removeClass('active');			
	});
}

function openNav() {
	if (haveSection() && haveSubSection()) {
		$("#sub_"+section).show().addClass('active');
		$("#nav_"+subsection).addClass('active');	
	}
	else if (haveSection()) {
		$("#nav_"+section).addClass('active');
		$("#nav_"+section).next("ul").show().addClass('active');
	}
}

function haveSection() {
	//return (section != "{embed:section}");
}

function haveSubSection() {
	//return (subsection != "{embed:subsection}");
}


function validateSignUpForm(form) {
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.Email.value)){
        return (true)
    }
    alert("Invalid E-mail Address. Please re-enter.")
    return (false)
}


function showLargeImage( objectName, imageURL ) {
  
   document[objectName].src = imageURL;	
	
}