function emailValid(str) 
{

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)

		if (str.indexOf(at)==-1)
		{
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		{
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		{
		    return false
		}

		if (str.indexOf(at,(lat+1))!=-1)
		{
		    return false
		}

		if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		{
		    return false
		}

		if (str.indexOf(dot,(lat+2))==-1)
		{
		    return false
		}
		
		if (str.indexOf(" ")!=-1)
		{
		    return false
		}

 		return true					
}

// TCH-MOD: use this to force validation checking on the contact us form
function submitContactUs()
{
	var i;
	var status;
	var formObj;
	var errMsg;

	status = true;
	errMsg = "";
	formObj = document.frmContactUs;

	if (formObj != null) 
	{
		if (formObj.email.value != "")
		{
			if (!emailValid(formObj.email.value))
			{
				errMsg = errMsg + "Please enter a valid email address.\n";
				status = false;
			}
		}
		else
		{
			errMsg = errMsg + "Please enter a valid email address.\n";
			status = false;
		}

		if (formObj.who.value == "")
		{
			errMsg = errMsg + "Please enter your name.\n";
			status = false;
		}

		if (formObj.message.value == "")
		{
			errMsg = errMsg + "You need to enter a message.\n";
			status = false;
		}

		if (status == false)
		{
			alert(errMsg);
		}

		return status;
	}
	else 
	{
		alert('The Contact Us Form Mail is currently unavailable, you may send mail directly to garpcreations (at) hvc.rr.com');
	}
}