function set_add_del(id){
	$("#"+id+' .remove_addit').show();
	$("#"+id+' .add_addit').hide();
	$("#"+id+' .add_addit:last').show();
	$("#"+id+" .dynamic_block:only-child > .remove_addit").hide();
}
function selrem(clickety){
	// dont remove the last one
	if(clickety.style.display=='none')return false;
	var id = $(clickety).parent().parent().attr('id'); 
	$(clickety).parent().remove(); 
	set_add_del(id); 
	return false;
}
function seladd(clickety){
	var id = $(clickety).parent().parent().attr('id'); 
	var box = $('#'+id+' .dynamic_block:last').clone(true);
	$('input',box).val('');
	$('#'+id+' .dynamic_block:last').after(
       box); 
	set_add_del(id); 
	return false;
}

function clear_default_form_values(form){
	$('input[default]',form).each(function(){
		var curval = $(this).val();
		var defval = $(this).attr('default');
		if(curval==defval){
			$(this).val('');
		}
	});
}
function safe_file_name(name){
	name = name.replace(/\W+/g,"-");
	name = name.toLowerCase();
	return name;
}

function set_src(iframeid,src){
	$('#'+iframeid).attr('src',src);
}

function preview_image_object(id,obj){
	var src = $(obj).attr('src');
	var srcbig = $(obj).attr('srcbig');
	if(srcbig)src=srcbig;
	window.open(src,'','width=450,height=300,resizable=1,scrollbars=1');
}
function po(what){
	if(
		(window.opener && !window.opener.closed && typeof(window.opener.is_inside_editor)!='undefined' && window.opener.is_inside_editor)
	){
		// opener window is the editor
		try{
			eval('window.opener.'+what);
		}catch(e){
			alert('window.opener.'+what+' failed');
		}
	}else{
		try{
			eval(what);
		}catch(e){
			alert(what+' failed');
		}
	}
}