function Subscribe(){
	var strErColor='#FF0000';
	var strValidColor='#333333';

	var valid=true;
	var strSurname=$('txtSurname').value.Trim();
	var strGivenName=$('txtGivenName').value.Trim();
	
	var strMail=$('txtMail').value.Trim();
	var strAddress=$('txtAddress').value.Trim();
	var strSubject = $('txtSubject').value.Trim();
	var strComment=$('txtComment').value.Trim();
	
	$('txtSurname').value=strSurname;
	$('txtGivenName').value=strGivenName;	
	$('txtMail').value=strMail;
	$('txtAddress').value=strAddress;
	$('txtSubject').value=strSubject;
	$('txtComment').value=strComment;
	
	if(strSurname.length<1) {
		valid=false;
		$('lblSurname').style.color=strErColor;
	}else{
		$('lblSurname').style.color=strValidColor;
	}

	if(strGivenName.length<1){
		valid=false;
		$('lblGivenName').style.color=strErColor;
	}else{
		$('lblGivenName').style.color=strValidColor;
	}
	

	/*if(strAddress.length<5){
		valid=false;
		$('lblAddress').style.color='#FF0000';
	}else{
		$('lblAddress').style.color='#333333';
	}*/
	
	if(strComment.length<10){
		valid=false;
		$('lblComment').style.color='#FF0000';
	}else{
		$('lblComment').style.color='#333333';
	}

	
	if(!strMail.IsMailAddress()){
		valid=false;
		$('lblMail').style.color='#FF0000';
	}else{
		$('lblMail').style.color='#333333';
	}
	

	if(valid){
		$('frmMail').submit();
	}	
}