function imageRollOver(text) {
	var rollOverText=document.getElementById("rollOverText");
	rollOverText.innerHTML = text;
}

function imageRollOut() {
	var rollOverText=document.getElementById("rollOverText");
	rollOverText.innerHTML = " ";
}

function checkScreenSize () {
	if (screen.width < 863) {
		document.write("<div style='position: absolute; top: 5px; left: 200px; color: #FFFFFF;'>This site is optimised for resolutions of 1024x768 and above</div>")
	}
}

function displayHideClients () {
	var clientSuperSelect=document.getElementById("clientSuperSelect");
	var clientSelectList=document.getElementById("clientSelectList");

	if (clientSuperSelect.value == "superuser") {
		clientSelectList.style.visibility="hidden";
	} else {
		clientSelectList.style.visibility="visible";
	}
}