// *** window_pop:

// pass URL to load and width/height dimensions for new pop-up window
function window_pop(_url, win_wd, win_ht)
{
  status_line = "status=1,toolbar=1,location=0,menu=0,scrollbars=1,width="
				+ win_wd + ",height=" + win_ht;

  popwin = window.open(_url, "POPWIN", status_line);
}

// *** img_swap:

function img_swap(imgName, imgSrc)
{
  if (document.images != null) {
	imgOn = eval(imgSrc + ".src");
	document[imgName].src = imgOn;
  }
}

// *** dbl_img_swap:

function dbl_img_swap(img1Name, img1Src, img2Name, img2Src)
{
  if (document.images != null) {
	img1On = eval(img1Src + ".src");
	document[img1Name].src = img1On;
				img2On = eval(img2Src + ".src");
	document[img2Name].src = img2On;
	return true;
  }
}

function randomString()
{
	var chars = "23456789ABCDEFGHJKMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz";
	var string_length = 6;
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	document.getElementById("random").innerHTML = randomstring;
	document.ContactForm.captcha.value = randomstring;
}

function validateContactForm()
{
	var captcha=document.ContactForm.captcha
	var captchamatch=document.ContactForm.captchamatch

	if (captcha.value != captchamatch.value) {
		document.getElementById("message").innerHTML = "The characters do not match!";
		captchamatch.focus();
		return false;
	}

	return true;
}