<!--
var imgPath = "images/";
var imgState;
var currentState = "";

function imgOff(imgName) {
	if (document.images) {
		if (imgName != currentState) {
			document[imgName].src = imgPath + imgName + "_off.jpg";
		}
	}
}
function imgOn(imgName) {
	if (document.images) {
		if (imgName != currentState) {
			document[imgName].src = imgPath + imgName + "_on.jpg";
		}
	}
}

function gifOff(imgName) {
	if (document.images) {
		if (imgName != currentState) {
			document[imgName].src = imgPath + imgName + "_off.gif";
		}
	}
}
function gifOn(imgName) {
	if (document.images) {
		if (imgName != currentState) {
			document[imgName].src = imgPath + imgName + "_on.gif";
		}
	}
}

// Pop up a new window.
function popup(filename, width, height, scrollbars) {
 var etcParams = ",directories=0,location=0,menubar=0,resizable=0,status=0,toolbar=0,scrollbars=" + (scrollbars ? "1" : "0");
 return window.open(filename, "_blank", "width=" + width + ",height=" + height + etcParams);
}

function popup2(filename, winname, width, height, scrollbars) {
 var etcParams = ",directories=0,location=0,menubar=0,resizable=false,status=0,toolbar=0,scrollbars=" + (scrollbars ? "1" : "0");
 return window.open(filename, winname, "width=" + width + ",height=" + height + etcParams);
}

function QuesWin(URL) {
	window.open(URL,'QuesWin','width=625,height=585,resizable=no,scrollbars=yes,top=200,left=380,alwaysRaised=yes')
}

function doSubmit() {
 var f = document.email_registration;

 if (!f.email.value.match(/^\S+@\S+\.\S+$/)) {
   alert('Please enter a valid e-mail address.');
   f.email.select();
   f.email.focus();
   return;
   }
f.submit();
}
// -->