<!-- new window, fixed size: send url and name of new window -->
function openNewWindowFixed(url, winName)
	{
	var windowParameters, windowName

	windowName = winName;
	windowParameters = 'status=0,menubar=0,toolbar=1,location=0,scrollbars=1,resizable=1,width=390,height=165';

	BrWindow = window.open(url, windowName, windowParameters)
	}
	
<!-- new window, dymanic size: send url and name of new window -->
function openNewWindowDynamic(url, winName, stat, menu, tool, loca, scro, resi, widt, heig)
	{
	var windowParameters, windowName

	windowName = winName;
	windowParameters = 'status='+stat+',menubar='+menu+',toolbar='+tool+',location='+loca+',scrollbars='+scro+',resizable='+resi+',width='+widt+',height='+heig+'';

	BrWindow = window.open(url, windowName, windowParameters)
	}

<!-- img act: send image name and url of image to display -->
function img_act(imgName, swapImg)
	{
	document [imgName].src = swapImg;
	}

<!-- img inact: send image name and url of image to display -->
function img_inact(imgName, replaceImg)
	{
	document [imgName].src = replaceImg;
	}

<!-- validate email: check for email notations -->
function validate_email()
	{
	if (document.all.txtEmail.value.search(/@/) == -1 || document.all.txtEmail.value.search(/\./) == -1) {
		alert('Please enter a valid email.');
		return false;
	}
	return true;
}