CodeHighlighter.addStyle("html", {
    comment: {
        exp: /\<![ \r\n\t]*(--([^\-]|[\r\n]|-[^\-])*--[ \r\n\t]*)\>/
    },
	tag : {
		exp: /(<\/?)([a-zA-Z0-9]+\s?)/, 
		replacement: "$1<span class=\"$0\">$2</span>"
	},
	string : {
		exp  : /'[^']*'|"[^"]*"/
	},
	attribute: {
	    exp: /\b([a-zA-Z-:]+)(=)/,
	    replacement: "<span class=\"$0\">$1</span>$2"
	},
	doctype : {
		exp: /&lt;!DOCTYPE([^&]|&[^g]|&g[^t])*&gt;/
	}
});