function setIndex(index,count) {
	for (var i=0; i<count; i++) {
		var element = "folio_index_" + i;
		document.getElementById(element).className = "";
	}
	element = "folio_index_" + index;
	document.getElementById(element).className = "active";
}

function checkMail(email) {
	var x = email;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)) {
		return true;
	}
	else {
		return false;
	}
}


function formEnquirySubmit() {
	var fields = new Array("firstname","lastname","position","company","message");
	var error = false; 
	for (var i=0; i<fields.length; i++) {
		var field = eval("document.forms['enquiry']." + fields[i] + ".value");
		if (!field) error = true;
	}
	if (error) {
		alert("Please fill out all fields!");
	}
	else if (!checkMail(document.forms['enquiry'].email.value)) {
		alert("Please check email address!");
	}
	else {
		document.forms['enquiry'].bit.value = 1;
		document.forms['enquiry'].submit();
	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function formSurveySubmit() {
	var options = new Array(4,5,6,7,8,10,11,12,13,14,15);
	var fields = new Array(1,2,3,9);
	var error = false; 
	for (var i=0; i<fields.length; i++) {
		var field = eval("document.forms['survey'].question" + fields[i] + ".value");
		if (!field) error = true;
	}
	for (var i=0; i<options.length; i++) {
		var option = eval("document.forms['survey'].question" + options[i]);
		if (!getCheckedValue(option)) error = true;
	}	
	if (error) {
		alert("Please fill out all 15 survey questions!");
	}
	else {
		document.forms['survey'].bit.value = 1;
		document.forms['survey'].submit();
	}
}

function showMenu() {
	var obs = new Object;
	obs.onPostEffect = function(effect, data){
		document.getElementById("menu_hide").style.display = "none";
	}
	var effect = new Spry.Effect.Fade("menu_hide",{from: 100, to: 0, duration: 1000, toggle: true, transition: Spry.linearTransition, fps: 60});
	effect.addObserver(obs);
 	effect.start();
}