some js

gistfile1.txt

<script>
		/*
		Custom functionality for safari and IE
		 */
		(function( d ) {
			// In case the placeholder functionality is available we remove labels
			if ( ( 'placeholder' in d.createElement( 'input' ) ) ) {
				var label = d.querySelector( 'label[for=subscribe-field-]' );
				label.style.clip 	 = 'rect(1px, 1px, 1px, 1px)';
				label.style.position = 'absolute';
				label.style.height   = '1px';
				label.style.width    = '1px';
				label.style.overflow = 'hidden';
			}

			// Make sure the email value is filled in before allowing submit
			var form = d.getElementById('subscribe-blog-'),
				input = d.getElementById(''),
				handler = function( event ) {
					if ( '' === input.value ) {
						input.focus();

						if ( event.preventDefault ){
							event.preventDefault();
						}

						return false;
					}
				};

			if ( window.addEventListener ) {
				form.addEventListener( 'submit', handler, false );
			} else {
				form.attachEvent( 'onsubmit', handler );
			}
		})( document );
	</script>