function trim(str)
{
	return str.replace(/^\s*|\s*$/g,"");
}

var remail=/^([_&a-zA-Z0-9-]+(\.[_&a-zA-Z0-9-]+)*@[&a-zA-Z0-9-]+\.+[&a-zA-Z0-9-]+)/;


function validatemail(formNm) {
	if(trim(formNm.name.value) == "")	{
		alert("Please enter your name");
		formNm.name.focus();
		return false;
	}else if (formNm.email.value == ""){
		alert("Please enter your email address");
		formNm.email.focus();
		return false;
	}else if (checkEmail(formNm.email.value)){
		alert("Please enter a valid email ID");
		formNm.email.focus();
		return false;
	}
}

function checkEmail(fieldvalue){
	if(remail.test(fieldvalue))
		return false;
	else
		return true;
}