function validatsearch()
{
		if (document.frmsearch.search1.value == "")
		{
			alert ("Please enter a search item .");
			document.frmsearch.search1.focus();
			return false;
		}
}
function validat()
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = frm1.email.value.match(emailPat);
		if (matchArray == null)
		{
			alert ("Please enter your valid email address.");
			document.frm1.email.focus();
			return false;
		}
		window.open('', 'mailingList', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=1,width=400,height=200')
	}
    function clearTip(field)
		{
			if(field.defaultValue == field.value)
			field.value = "";
		}

		function writeTip(field)
		{
			if(field.value == "")
				field.value = field.defaultValue;
		}