function dia_trim(x)
			{
			x = x.replace(/^s*/g,''); 
			 x = x.replace(/s*$/g,'');
			 return x;
			}
			
			function dia_verify(email_id, zip_id)
			{
			
			 var email = document.getElementById(email_id);
			 var zip = document.getElementById(zip_id);
			 if(email && zip)
			 {
			 var emailv = dia_trim(email.value);
			 var zipv = dia_trim(zip.value);
			 if((emailv!='email')&&(emailv.length>0)&&(zipv!='zip')&&(zipv.length>0)&&(emailv.indexOf('@')>0)&&(zipv.match(/\d{5}/)))
			 {
			 return true;
			 }
			 else
			 {
			 alert('Please complete all form fields before pressing \'Submit\'.');
			 return false;
			 }
			 }
			}
			
			function clearInputBox (id)
			{
			 if (document.getElementById && document.createElement) {
			 document.getElementById(id).value = "";
			 }
			}