function Checkcontactdetail()
{
	if(document.frmnews.textnwemail.value == "" || document.frmnews.textnwemail.value == "Enter Email Address")
	{
		alert("Please Enter E-mail.");
		document.frmnews.textnwemail.focus();
		return false;
	}
	if(document.frmnews.textnwemail.value != "")
	{
		if(ValidEmail(document.frmnews.textnwemail.value) == false)
		{
			alert("Please Enter Valid Email Address.");
			document.frmnews.textnwemail.focus();
			return false;
		}
	}	
	if(document.frmnews.textnwfname.value == "" || document.frmnews.textnwfname.value == "First Name")
	{
		alert("Please Enter Your First Name.");
		document.frmnews.textnwfname.focus();
		return false;
	}
	if(document.frmnews.textnwlname.value == "" || document.frmnews.textnwlname.value == "Last Name")
	{
		alert("Please Enter Your Last Name.");
		document.frmnews.textnwlname.focus();
		return false;
	}
}
function ValidEmail(objFieldValue){			
	var validFormatRegExp=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;	
	var isValid=validFormatRegExp.test(objFieldValue);	
	return isValid;				
}