function checkMail( mail ){
	return ( mail.search(/^[A-Za-z0-9-\._]*@[A-Za-z0-9-\._]*\.[A-Za-z]{1,4}$/)==0?true:false);	
}
function checkPhone( phone ){
	return ( phone.search(/^[0-9- ]{6,}$/) == 0? true : false);		
}