function agreeToPost(id, prev) {
	
	var vars = "Action=AgreeToPost&id="+id;
	if(prev == '')
	{
	new Ajax.Request('/includes/processes/ajax_handler.php', {parameters:vars, onSuccess:refresh});	
	}
	else{alert('You already voted');}
}

function disagreeToPost(id, prev) {
	
	var vars = "Action=DisagreeToPost&id="+id;
	if( prev == '' )
	{
	new Ajax.Request('/includes/processes/ajax_handler.php', {parameters:vars, onSuccess:refresh});	
	}
	else{alert('You already voted');}
}