function CheckEntryFormOnSubmit( formobject )
{
    if (formobject.sname.value.length == 0)
	{
		alert("A name must be entered!");
		formobject.sname.focus();
		return false;
	}
	var numericExpression = /^[0-9]+$/;
	if(!formobject.sphone.value.match(numericExpression)){
		alert("A phone number must be entered or not entered correctly!");
		formobject.sphone.value = "";
		formobject.sphone.focus();
		return false;
	}

	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
    if (!formobject.semail.value.match(emailExp)){
		alert("A email address must be entered or not entered correctly!");
		formobject.semail.value = "";
		formobject.semail.focus();
		return false;
	}
	
}