var flag = false;
function verify()
{	if (checkbae(document.contact.mail))
	{	if (document.contact.message.value == "")
			{	alert('Please, Fill the message box.');
				document.contact.message.focus();
			}
		else
			{	flag = true;
			}
	}
}

var testresults
function checkemail(val){
var str=val.value;
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
testresults=true;
else{
alert("Please, Indicate a valide E-Mail Address.!");
val.focus();
testresults=false;
}
return (testresults)
}

function checkbae(val){
if (document.layers||document.getElementById||document.all)
return checkemail(val);
else
return true;
}