urlPath = "http://www.columbushighvolleyball.org/";

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		image = newImage(urlPath +"images/nav-arrow.gif");
		image = newImage(urlPath +"images/nav-arrow-over.gif");
		image = newImage(urlPath +"images/nav-spacer.gif");
		preloadFlag = true;
	}
}

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 = urlPath + changeImages.arguments[i+1];
		}
	}
}

function checkvalue(formfield, message) {
	if (formfield.value == "") {
		alert (message);
		formfield.focus();
		return false;
	}
	return true;
}

function checkselect(formfield, message) {
	if (formfield.options[formfield.selectedIndex].value == "") {
		alert (message);
		formfield.focus();
		return false;
	}
	return true;
}