jQuery Plugins

jquery.equalizeHeight.js

(function( $ ) {
	$.fn.maxHeight = function() {
		var max = 0;
		this.each(function() {
			max = Math.max(max, $(this).height() );
		});
		return max;
	};
	
	$.fn.equalizeHeight = function() {
		var max = this.maxHeight();
		this.each(function() {
			$(this).height(max);
		});
	};
})( jQuery );

jquery.placeholder.js

//<script type="text/javascript">
//  $(document).ready(function() { 
//    var mx = $('.m').equalizeHeight();
//    $('#max').text(mx);
//    $('body').placeholder(); 
//    // or with custom class name $('body').placeholder({placeholderClass:'css_class_name'});
//  });
//</script>

// css
// .placeholder { color: #ccc; }


(function( $ ) {
	jQuery.support.placeholder = false;
	test = document.createElement('input');
	if('placeholder' in test) jQuery.support.placeholder = true;
	
	$.fn.placeholder = function( options ) {
	
		var settings = $.extend( {
			'placeholderClass' : 'placeholder' 
		}, options);
		
		if(!jQuery.support.placeholder) {
			this.each(function() {
				$('form', this).bind('submit', function() {
					$('input[placeholder]', this).each(function() {
						if($(this).val() == $(this).attr('placeholder')) $(this).val('');
					});
				});
			
				$('input[placeholder]', this).each(function() {
					$(this).val($(this).attr('placeholder'));
					$(this).addClass(settings.placeholderClass);
					$(this).bind('focus', function() { 
						if($(this).val() == '' || $(this).val() == $(this).attr('placeholder')) {
							$(this).removeClass(settings.placeholderClass); 
							$(this).val('');
						}
					});
					$(this).bind('blur', function() { 
						if($(this).val() == '' || $(this).val() == $(this).attr('placeholder')) {
							$(this).addClass(settings.placeholderClass); 
							$(this).val($(this).attr('placeholder'));
						}
					});
				});
			});
		}
	};
})( jQuery );