/**
 * @author expansive-derivation
 * 
 * @license This plug-in is release under a MIT license.
 * 
 * Copyright 2010 Schalk Neethling
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * 
 * For more @see : http://www.opensource.org/licenses/mit-license.php
 */

function findYpos(objElement) {
	var lngTop = 0;
	var isFirefox = ( navigator.userAgent.indexOf( "Firefox/" ) != -1 );
	
 if (objElement.offsetParent) {
		while (objElement.offsetParent) {
			lngTop += objElement.offsetTop;
			objElement = objElement.offsetParent;
		}
	} else if (objElement.y) {
		lngTop += objElement.y;
	}
	return lngTop;
}

(function($){  
 $.fn.attribute = function(options) {
 	
	var defaults = {
		message: "Image Courtesy "
	};

	var options = $.extend(defaults, options);
  
    $("img[longdesc]").each(function() {
		var relVal = $(this).attr("longdesc");
		var relValueArray = jQuery.makeArray(relVal.split("|"));
	
			
			$(this).parent().css("position", "relative");
			
			var author = relValueArray[0];
			var imageWidth = $(this).attr("width");
			
			$(this).parent().prepend("<div class='attribution' style='top:"+(findYpos(this)+$(this).attr("height")-312)+"px;width:" + imageWidth + "px;'>" +  author + 
									 "</div>");
			$(".attribution").fadeTo("fast", 0.7);
		
	});
 };  
})(jQuery);