function $(id)
	{
	return document.getElementById(id);
	}
	
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;
								}
							}
						}
					}
				}
			}