jQuery function that appends a class to each designated element by pulling it from a tag attribute.

jQuery.fn.attrToClass

//Appends a class to each designated element by pulling it from a tag attribute.
jQuery.fn.attrToClass = function(attribute) {
	$(this).each(
		function(intIndex){
		    $(this).addClass($(this).attr(attribute));
	});
};

$(document).ready(function(){
        // designate the tag and the attribute to be extracted
	$("input").attrToClass("type");
});