function sendmail(){
	var fm = document.getElementById("fm01");
	var youremail = fm.youremail;
	var subject = fm.subject;
	var message = fm.message;
	var regexEmail = /^[^@^\s]+@[^\.@^\s]+(\.[^\.@^\s]+)+$/;

	// check email
	if( trim(youremail.value).length==0 ){
		alert("Please fill your Email in [Your Email]... ");
		youremail.focus();
	}else if( !youremail.value.match(regexEmail) ){
		alert("The email format is incorrect\nPlease correct your Email in [Your Email]... ");
		youremail.focus();
	}else if( trim(subject.value).length==0 ){
		alert("Please fill subject in [Subject]... ");
		subject.focus();
	}else if( trim(message.value).length==0 ){
		alert("Please fill message in [Message]... ");
		message.focus();
	}else if(confirm("Ready to Send ... ?")){
		fm.submit();
	}
}

function ltrim(instr){
	return instr.replace(/^[\s]*/gi,"");
}
function rtrim(instr){
	return instr.replace(/[\s]*$/gi,"");
}
function trim(instr){
	instr = ltrim(instr);
	instr = rtrim(instr);
	return instr;
}