ajax boilerplate

gistfile1.js

  $("a.ajax").live('click',function(e) {
    e.preventDefault();
    var $this = $(this);
    url = $(this).attr('href');
    $.get(url,function(data) {
      if(data) {
        if( $this.hasClass('addHtmlToParent') ) {
        	$this.parent().append(data); // append return content to parent
        } else {
        	eval(data); // execute return js
        }
      }
      else {
        alert('Your request could not be processed at this time.');
      }
    });
  });  
  // forms
  $("form.ajax").live('submit',function(e) {
  	e.preventDefault();
  	var $this = $(this);
    url = $(this).attr('action');
    postData = $(this).serialize();
    $.post(url,postData,function(data) {
      if( data ) {
        eval(data);
        if( $this.parent().hasClass('hide') ) {
        	$this.parent().hide();	
        }
      }
      else {
        alert('Your request could not be processed at this time.');
      }
      return false;
    });
  });
  // for use with forms in forms
  $('div.ajax-form input[type="submit"]').live('click',function(e) {
  	e.preventDefault();
  	var $this = $(this);
  	var postData = {};
  	var url = $(this).parent().attr('rel');  	
  	$(this).parent().find('input').each(function() {
  		if( $(this).attr('type') !== 'submit' ) {
  			var name = $(this).attr('name');
  			var value = $(this).val();
  			postData[name] = value;
  		}
  	});
  	$.post(url,postData,function(data) {
  		if( data ) {
  			eval(data);
  		} else {
  			alert('Your request could not be processed at this time.');
		}
  	});
  });