function empty(x)
{
	x.value="";
}

function valid()
{
/*
if (document.frmform1.txtemail.value=="Enter your email")
{
	alert("Please input a valid email address!")
	document.frmform1.txtemail.value=""
	document.frmform1.txtemail.focus()
	return false
}
*/
	if (document.layers||document.getElementById||document.all)
	{
		var str=document.frmform1.txtemail.value
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str)==false)
		{
			alert("Please input a valid email address!")
			document.frmform1.txtemail.value=""
			document.frmform1.txtemail.focus()
			return false
		}
	}
}