function openTerms()
{
	newwin = window.open("terms.html","terms","width=405,height=400,scrollbars=yes");
}

function openPrivacy()
{
	newwin = window.open("privacy.html","terms","width=405,height=400,scrollbars=yes");
}

function rollOver(imgName)	
{
	imgSRC = document.images[imgName].src;
	var newImgSRC;
	if(imgSRC.indexOf("_on.gif") == -1)
	{
		if(imgSRC.indexOf("_over.gif") == -1)
		{
			newImgSRC = imgSRC.substring(0,imgSRC.indexOf(".gif")) + "_over.gif";
		}
		else
		{
			newImgSRC = imgSRC.substring(0,imgSRC.indexOf("_over.gif")) + ".gif";
		}	
		document.images[imgName].src = newImgSRC;
	}
}


// form validation
function validateForm(form)
{
	valid = true;
	message = "So we can deal with your enquiry:\n\n";
	if(form.elements["name"].value == "")
	{
		message += "  Please enter your name\n";
		valid = false;
	}
	if(form.elements["phone"].value == "")
	{
		message += "  Please enter your phone number\n";
		valid = false;
	}
	
	var supEmail = form.elements["email"].value;
	var emLen = supEmail.length;
	var posAt = supEmail.indexOf('@')
	var posDot = supEmail.lastIndexOf('.')
	if((emLen < 7) || (posAt < 1) || (posDot <= (posAt + 1)) || (posDot >= (emLen - 1)))
	{
		message += "  Please enter a valid email address\n";
		valid = false;
	}
	if(valid)
	{
		return true;
	}
	else
	{
		alert(message);
		return false;
	}
}