function remove_field(element, item) {
    element.up(item).remove();
}

//var post = {
//  validate: function() {
//    var title = $('post_title');
//    var content = $('post_content');
//    var postSubmit = $('post_submit');
//    var errors = "";
//    if (title.value == "") {
//      title.setStyle({backgroundColor: "#fff9f9"});
//			errors += "* Please enter a title.\n";
//		}
//		if (content.value == "") {
//      content.setStyle({backgroundColor: "#fff9f9"});
//			errors += "* Please enter some content.\n";
//		}
//    if (errors == "") {
//		  postSubmit.value = "Processing...";
//		  postSubmit.disabled = true;
//			return true;
//		} else {
//			alert("Please fix the following errors:\n"+errors);
//			return false;
//		}
// }
//}

// -------------------------
// Multiple File Upload
// -------------------------
//function MultiSelector(list_target, max) {
//  this.list_target = list_target;this.count = 0;this.id = 0;if( max ){this.max = max;} else {this.max = -1;};this.addElement = function( element ){if( element.tagName == 'INPUT' && element.type == 'file' ){element.name = 'attachment[file_' + (this.id++) + ']';element.multi_selector = this;element.onchange = function(){var new_element = document.createElement( 'input' );new_element.type = 'file';this.parentNode.insertBefore( new_element, this );this.multi_selector.addElement( new_element );this.multi_selector.addListRow( this );this.style.position = 'absolute';this.style.left = '-1000px';};if( this.max != -1 && this.count >= this.max ){element.disabled = true;};this.count++;this.current_element = element;} else {alert( 'Error: not a file input element' );};};this.addListRow = function( element ){var new_row = document.createElement('li');var new_row_button = document.createElement( 'a' );new_row_button.title = 'Remove This Image';new_row_button.href = '#';new_row_button.innerHTML = 'Remove';new_row.element = element;new_row_button.onclick= function(){this.parentNode.element.parentNode.removeChild( this.parentNode.element );this.parentNode.parentNode.removeChild( this.parentNode );this.parentNode.element.multi_selector.count--;this.parentNode.element.multi_selector.current_element.disabled = false;return false;};new_row.innerHTML = element.value.split('/')[element.value.split('/').length - 1];new_row.appendChild( new_row_button );this.list_target.appendChild( new_row );};
//}