/*
 * jqDnR - Minimalistic Drag'n'Resize for jQuery.
 *
 * Copyright (c) 2007 Brice Burgess <bhb@iceburg.net>, http://www.iceburg.net
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * $Version: 2007.08.19 +r2
 */

(function($) {
	$.fn.jqDrag = function(h) {
		return i(this,h,'d');
	};
	$.fn.jqResize = function(h) {
		return i(this,h,'r');
	};
	$.jqDnR = {dnr:{}, e:0, 
		drag: function(v) {
			if(M.k == 'd') {
				E.css({
					left: M.X + v.pageX - M.pX,
					top: M.Y + v.pageY - M.pY
				});
			} else {
				E.css({width:Math.max(v.pageX-M.pX+M.W,0),height:Math.max(v.pageY-M.pY+M.H,0)});
			}
			return false;
		},
		stop: function() {
			if($.browser.msie == false) {
				E.css('opacity', M.o);
			}
			$().unbind('mousemove', J.drag).unbind('mouseup',J.stop);
		}
	};
	var J = $.jqDnR, M=J.dnr, E=J.e, i = function(e,h,k) {
		return e.each(function(){
			h = (h) ? $(h,e) : e;
			h.bind('mousedown', {e:e, k:k}, function(v) {
				var d = v.data, p = {}; 
				E = d.e;
				// attempt utilization of dimensions plugin to fix IE issues
				if(E.css('position') != 'relative') {
					try {
						E.position(p); 
					} catch(e) { 
						
					}
				}
				M = { 
					X: p.left || f('left') || 0, 
					Y: p.top || f('top') || 0,
					W: f('width') || E[0].scrollWidth || 0,
					H: f('height') || E[0].scrollHeight || 0,
					pX: v.pageX,
					pY: v.pageY,
					k: d.k,
					o: E.css('opacity') 
				};
				if($.browser.msie == false) {
					E.css({opacity:0.8});
				}
				$().mousemove($.jqDnR.drag).mouseup($.jqDnR.stop);
				return false;
			});
		});
	},
	f = function(k){
		return parseInt(E.css(k)) || false;
	};
})(jQuery);