functions.php

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<?php

function kubrick_head() {
	$head = "<style type='text/css'>\n<!--";
	$output = '';
	if ( kubrick_header_image() ) {
		$url =  kubrick_header_image_url() ;
		$output .= "#header { background: url('$url') no-repeat bottom center; }\n";
	}
	if ( false !== ( $color = kubrick_header_color() ) ) {
		$output .= "#headerimg h1 a, #headerimg h1 a:visited, #headerimg .description { color: $color; }\n";
	}
	if ( false !== ( $display = kubrick_header_display() ) ) {
		$output .= "#headerimg { display: $display }\n";
	}
	$foot = "--></style>\n";
	if ( '' != $output )
		echo $head . $output . $foot;
}

add_action('wp_head', 'kubrick_head');

function kubrick_header_image() {
	return apply_filters('kubrick_header_image', get_settings('kubrick_header_image'));
}

function kubrick_upper_color() {
	if ( strstr( $url = kubrick_header_image_url(), 'header-img.php?' ) ) {
		parse_str(substr($url, strpos($url, '?') + 1), $q);
		return $q['upper'];
	} else
		return '69aee7';
}

function kubrick_lower_color() {
	if ( strstr( $url = kubrick_header_image_url(), 'header-img.php?' ) ) {
		parse_str(substr($url, strpos($url, '?') + 1), $q);
		return $q['lower'];
	} else
		return '4180b6';
}

function kubrick_header_image_url() {
	if ( $image = kubrick_header_image() )
		$url = get_template_directory_uri() . '/images/' . $image;
	else
		$url = get_template_directory_uri() . '/images/kubrickheader.jpg';

	return $url;
}

function kubrick_header_color() {
	return apply_filters('kubrick_header_color', get_settings('kubrick_header_color'));
}

function kubrick_header_color_string() {
	$color = kubrick_header_color();
	if ( false === $color )
		return 'white';

	return $color;
}

function kubrick_header_display() {
	return apply_filters('kubrick_header_display', get_settings('kubrick_header_display'));
}

function kubrick_header_display_string() {
	$display = kubrick_header_display();
	return $display ? $display : 'inline';
}

add_action('admin_menu', 'kubrick_add_theme_page');

function kubrick_add_theme_page() {
	if ( $_GET['page'] == basename(__FILE__) ) {
		if ( 'save' == $_REQUEST['action'] ) {
			if ( isset($_REQUEST['njform']) ) {
				if ( isset($_REQUEST['defaults']) ) {
					delete_option('kubrick_header_image');
					delete_option('kubrick_header_color');
					delete_option('kubrick_header_display');
				} else {
					if ( '' == $_REQUEST['njfontcolor'] )
						delete_option('kubrick_header_color');
					else
						update_option('kubrick_header_color', $_REQUEST['njfontcolor']);

					if ( preg_match('/[0-9A-F]{6}|[0-9A-F]{3}/i', $_REQUEST['njuppercolor'], $uc) && preg_match('/[0-9A-F]{6}|[0-9A-F]{3}/i', $_REQUEST['njlowercolor'], $lc) ) {
						$uc = ( strlen($uc[0]) == 3 ) ? $uc[0]{0}.$uc[0]{0}.$uc[0]{1}.$uc[0]{1}.$uc[0]{2}.$uc[0]{2} : $uc[0];
						$lc = ( strlen($lc[0]) == 3 ) ? $lc[0]{0}.$lc[0]{0}.$lc[0]{1}.$lc[0]{1}.$lc[0]{2}.$lc[0]{2} : $lc[0];
						update_option('kubrick_header_image', "header-img.php?upper=$uc&amp;lower=$lc");
					}

					if ( isset($_REQUEST['toggledisplay']) ) {
						if ( false === get_settings('kubrick_header_display') )
							update_option('kubrick_header_display', 'none');
						else
							delete_option('kubrick_header_display');
					}
				}
			} else {

				if ( isset($_REQUEST['headerimage']) ) {
					if ( '' == $_REQUEST['headerimage'] )
						delete_option('kubrick_header_image');
					else
						update_option('kubrick_header_image', $_REQUEST['headerimage']);
				}

				if ( isset($_REQUEST['fontcolor']) ) {
					if ( '' == $_REQUEST['fontcolor'] )
						delete_option('kubrick_header_color');
					else
						update_option('kubrick_header_color', $_REQUEST['fontcolor']);
				}

				if ( isset($_REQUEST['fontdisplay']) ) {
					if ( '' == $_REQUEST['fontdisplay'] || 'inline' == $_REQUEST['fontdisplay'] )
						delete_option('kubrick_header_display');
					else
						update_option('kubrick_header_display', 'none');
				}
			}
			//print_r($_REQUEST);
			wp_redirect("themes.php?page=functions.php&saved=true");
			die;
		}
		add_action('admin_head', 'kubrick_theme_page_head');
	}
	add_theme_page('Customize Header', 'Header Image and Color', 'edit_themes', basename(__FILE__), 'kubrick_theme_page');
}

function kubrick_theme_page_head() {
?>
<script type="text/javascript" src="../wp-includes/js/colorpicker.js"></script>
<script type='text/javascript'>
// <![CDATA[
	function pickColor(color) {
		ColorPicker_targetInput.value = color;
		kUpdate(ColorPicker_targetInput.id);
	}
	function PopupWindow_populate(contents) {
		contents += '<br /><p style="text-align:center;margin-top:0px;"><input type="button" value="Close Color Picker" onclick="cp.hidePopup(\'prettyplease\')"></input></p>';
		this.contents = contents;
		this.populated = false;
	}
	function PopupWindow_hidePopup(magicword) {
		if ( magicword != 'prettyplease' )
			return false;
		if (this.divName != null) {
			if (this.use_gebi) {
				document.getElementById(this.divName).style.visibility = "hidden";
			}
			else if (this.use_css) {
				document.all[this.divName].style.visibility = "hidden";
			}
			else if (this.use_layers) {
				document.layers[this.divName].visibility = "hidden";
			}
		}
		else {
			if (this.popupWindow && !this.popupWindow.closed) {
				this.popupWindow.close();
				this.popupWindow = null;
			}
		}
		return false;
	}
	function colorSelect(t,p) {
		if ( cp.p == p && document.getElementById(cp.divName).style.visibility != "hidden" )
			cp.hidePopup('prettyplease');
		else {
			cp.p = p;
			cp.select(t,p);
		}
	}
	function PopupWindow_setSize(width,height) {
		this.width = 162;
		this.height = 210;
	}

	var cp = new ColorPicker();
	function advUpdate(val, obj) {
		document.getElementById(obj).value = val;
		kUpdate(obj);
	}
	function kUpdate(oid) {
		if ( 'uppercolor' == oid || 'lowercolor' == oid ) {
			uc = document.getElementById('uppercolor').value.replace('#', '');
			lc = document.getElementById('lowercolor').value.replace('#', '');
			hi = document.getElementById('headerimage');
			hi.value = 'header-img.php?upper='+uc+'&lower='+lc;
			document.getElementById('header').style.background = 'url("<?php echo get_template_directory_uri(); ?>/images/'+hi.value+'") center no-repeat';
			document.getElementById('advuppercolor').value = '#'+uc;
			document.getElementById('advlowercolor').value = '#'+lc;
		}
		if ( 'fontcolor' == oid ) {
			document.getElementById('header').style.color = document.getElementById('fontcolor').value;