function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = "http://www.mstrials.org.au/" + changeImages.arguments[i+1];
		}
	}
}
	
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		australia_map_tas_over = newImage("http://www.mstrials.org.au/images/australia_map-tas_over.gif");
		australia_map_sa_over = newImage("http://www.mstrials.org.au/images/australia_map-sa_over.gif");
		australia_map_wa_over = newImage("http://www.mstrials.org.au/images/australia_map-wa_over.gif");
		australia_map_nsw_over = newImage("http://www.mstrials.org.au/images/australia_map-nsw_over.gif");
		australia_map_nt_over = newImage("http://www.mstrials.org.au/images/australia_map-nt_over.gif");
		australia_map_vic_over = newImage("http://www.mstrials.org.au/images/australia_map-vic_over.gif");
		australia_map_qld_over = newImage("http://www.mstrials.org.au/images/australia_map-qld_over.gif");
		nz_map_over = newImage("http://www.mstrials.org.au/images/nz-over.gif");
		preloadFlag = true;
	}
}

function subscriptionInit() {
	$("#e-alerts-name").val($("#label_e-alerts-name").text());
	$("#e-alerts-email").val($("#label_e-alerts-email").text())
	$("#e-alerts-name").focus(function () {
		if($("#e-alerts-name").val() == $("#label_e-alerts-name").text()) {
			$("#e-alerts-name").val("");
		}
	});
	$("#e-alerts-name").blur(function () {
		if($("#e-alerts-name").val() == "") {
			$("#e-alerts-name").val($("#label_e-alerts-name").text());
		}
	});
	$("#e-alerts-email").focus(function () {
		if($("#e-alerts-email").val() == $("#label_e-alerts-email").text()) {
			$("#e-alerts-email").val("");
		}
	});
	$("#e-alerts-email").blur(function () {
		if($("#e-alerts-email").val() == "") {
			$("#e-alerts-email").val($("#label_e-alerts-email").text());
		}
	});
}

$(document).ready(function() {
	preloadImages();
	subscriptionInit();
})