function CheckApp()
{
	
	var bName=navigator.appName;
	if (bName == "Microsoft Internet Explorer")
	{
		helpLink.style.display = "";
		helpHint.style.display = "none";
	
	}
	

}

function ShowHelp()
{	
	var bName=navigator.appName;
	var bVer=parseInt(navigator.appVersion);
	var divColl
	//alert (bName + "  " + bVer);
	if (bName == "Microsoft Internet Explorer" && bVer >= 4)
	{
		
		
		divColl = document.all.tags("div");
		for (var i=0; i<divColl.length; i++) {
			if (divColl(i).id == "helpHint")
			{
				if (divColl(i).style.display =="")
					divColl(i).style.display="none";
				else
					divColl(i).style.display = "";
			
			}
		}
	}
	/*if (bName == "Netscape" && bVer >= 4)  
	{
		alert (bName + "  " + bVer);
		
		divColl = document.all.tags("layer");
		alert (divColl.length);
		for (var i=0; i<divColl.length; i++) {
			if (document.divColl(i).name == "helpHint")
			{
				if (document.divColl(i).visibility =="show")
					document.divColl(i).visibility ="hide";
				else
					document.divColl(i).visibility = "show";
			}
		}
	}*/
	
}

function CheckInputNum()
{
	
	if (event.keyCode < 48 || event.keyCode > 57)
		event.returnValue = false
}

function CheckInputTicker()
{
	if ((event.keyCode > 32 && event.keyCode < 65) || (event.keyCode > 90 && event.keyCode < 97))
		event.returnValue = false
}

function CheckInputOption()
{
	if ((event.keyCode > 32 && event.keyCode < 65 && event.keyCode != 45) || (event.keyCode > 90 && event.keyCode < 97))
		event.returnValue = false
}
function CheckInputStock()
{
	if ((event.keyCode > 32 && event.keyCode < 65 && (event.keyCode != 45 && event.keyCode != 46)) || (event.keyCode > 90 && event.keyCode < 97))
		event.returnValue = false
	
}

function CheckEmail(nEmail)
{
	var invalidChars = " /:,;"
	//alert(nEmail)
	if (nEmail != "")
	{
		for (i=0; i<invalidChars.length; i++)
		{
			badChar = invalidChars.charAt(i)
			if (nEmail.indexOf(badChar, 0) > -1)
			{
				return false
			}
		}
		
		atPos = nEmail.indexOf("@", 1)
		if (atPos == -1) 
		{
			return false
		}
		
		periodPos = nEmail.indexOf(".", atPos)
		if (periodPos == -1)
		{
			return false
		}
		
		if (periodPos+3 > nEmail.length) 
		{
			return false
		}
		return true
	
	}
	return true
}

function ValidEmail(nEmail)
{
	//window.alert(nEmail)
	if (!CheckEmail(nEmail))
	{
		window.alert("The value you entered is not a valid e-mail address. Please check your e-mail address and correct it.")
		event.srcElement.focus()
	}	
}