function fPostForm(objForm,strAction){
		var blnCheck = true;
		//alert(objForm.name);
		//alert(objForm.txtLastName.value);
		//alert(strAction);
		if(strAction == "subscribe"){
		
			if(!fIsValidEmail(objForm.txtEmail)){
				blnCheck = false;
				alert('Please enter a valid e-mail address.');
				objForm.txtEmail.focus();
				return (false);
				}
		
			if(objForm.txtFirstName.value ==''){
				blnCheck = false;
				alert('Please enter your first name.');
				objForm.txtFirstName.focus();
				return (false);
				}		
		
			if(objForm.txtLastName.value ==''){
				blnCheck = false;
				alert('Please enter your last name.');
				objForm.txtLastName.focus();
				return (false);
				}
				
			if(objForm.txtCountry.selectedIndex == 0){
				blnCheck = false;
				alert('Please select your country.');
				objForm.txtCountry.focus();
				return (false);
			}
			objForm.action = "http://www.musicmail.be/subscribe-ght-mm2010.asp?client=greenhousetalent&action=subscribe";
		}
		else if(strAction == "unsubscribe"){
			if(!fIsValidEmail(objForm.txtEmail)){
				blnCheck = false;
				alert('Please enter a valid e-mail address.');
				objForm.txtEmail.focus();
				return (false);
				}
			objForm.action = "http://www.musicmail.be/subscribe-ght-mm2010.asp?client=greenhousetalent&action=unsubscribe";
			
			}
		
		if(blnCheck = true){
			objForm.submit();
			}
	}
	
function fIsValidEmail(objTmp){
	
	var x = objTmp.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)){
		return true;
	}
	else{
		return false;
	}
}