function eVal(field) {
   var reg = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
   with (field){
	   if(reg.test(value) == false) {
		  alert('Please enter a valid email address');
		  document.form1.email.focus();
		  return false;
	   }else{
		   return true;
	   }
   }
}
function valFb(thisform) {
	valid = true;
	if(document.form1.sender_name.value == "")
	{
	 alert ("Please enter your Name");
			valid = false;
	}
	if(document.form1.address.value == "")
	{
	 alert ("Please enter your Address");
			valid = false;
	}
	if((document.form1.phone.value == "")&& (document.form1.email.value == ""))
	{
	 alert ("Please enter a phone number or an Email address");
			valid = false;
	}
	if(document.form1.qty.value == "")
	{
	 alert ("Please enter the quantity of barrels wanted");
			valid = false;
	}
	if(document.form1.pickup_loc.value == "")
	{
	 alert ("Please choose location of pick up");
			valid = false;
	}
	
	return valid;
}
function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }