function verifMail(a)
{
	testm = false ;
	
	for (var j=1 ; j<(a.length) ; j++) {
	  if (a.charAt(j)=='@') {
	   if (j<(a.length-4)){
	    for (var k=j ; k<(a.length-2) ; k++) {
	     if (a.charAt(k)=='.') testm = true;
	    }
	   }
	  }
	 }
	return testm ;
}

function veriftelephone(telephoneNumber) 
{
  var telnum = telephoneNumber + " ";
  if (telnum.length == 1)  {
     return false
  }
  telnum.length = telnum.length - 1;
  
  while (telnum.indexOf(" ")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf(" ")) + telnum.slice (telnum.indexOf(" ")+1)
  }
  while (telnum.indexOf("-")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf("-")) + telnum.slice (telnum.indexOf("-")+1)
  }  
  while (telnum.indexOf("-")!= -1)  {
    telnum = telnum.slice (0,telnum.indexOf("-")) + telnum.slice (telnum.indexOf("-")+1)
  }  
  
  exp = /^[0-9,\(,\)]*$/
  if (exp.test(telnum) != true) {
     return false;
  }
 
  return true;
}