function toggleView(id,aln,hidetext,showtext) {
	var visibility = document.getElementById(id).style.visibility;
	if(visibility == 'visible') {
		document.getElementById(id).style.visibility='hidden';
		document.getElementById(id).style.height='10px';
		if(aln) aln.innerHTML = showtext;
	} else if (visibility == 'hidden') {
		document.getElementById(id).style.visibility='visible';
		document.getElementById(id).style.height='100%';
		if(aln) aln.innerHTML = hidetext;
	}	
}

function toggleViewD(id,aln,showtext,hidetext) {
	var visibility = document.getElementById(id).style.display;
	if(visibility == 'none') {
		document.getElementById(id).style.display='';
		if(aln) aln.innerHTML = showtext;
	} else{
		document.getElementById(id).style.display='none';
		if(aln) aln.innerHTML = hidetext;
	}	
}

function createXMLHttpRequest() {
	if (window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest) {
		xmlHttp = new XMLHttpRequest();
	}
}

function setDay() {
	xmlHttp = createXMLHttpRequest();
	xmlHttp.open("GET", "setDay.html?day=" + day + "&user=" + session.userid, true);
	xmlHttp.onreadystatechange = function() {
		if (xmlHttp.readyState == 4) {
			var xmlDoc = xmlHttp.responseXML;
			// var properties = xmlDoc.documentElement.getElementsByTagName("property");
			// do something with respose	
		}
	
	}
}

function validateSignUp() {
	vIsValid = true // It's valid by default
	if (document.forms.frmSignup.username.value == '') { vIsValid = false }
	
	if (vIsValid) {
		alert('Please fill in all the required information.')
		alert(vIsValid);
	}
	
	return vIsValid;
}