[Nekromancer]

(function(window, $){
	$.history = {
		init: function(callback){
			var timer = 100,
			self = this,
			nohashevent = false,
			set = function (a, target) {
				if(target) window.location.href = target + '#' + a;
				else window.location.hash = a;
			},
			current = this.current = function(){
				var loc = window.location, hash = loc.hash, str = loc+'', i = str.indexOf('#');
				i != -1 && (hash = str.slice(i));
				return hash.substring(1);
			},
			init = $.browser.msie && parseInt($.browser.verion, 10) < 8 || document.documentMode < 8 || !('onhashchange' in window) || !('onhashchange' in document.body) ? (nohashevent = true) && function(){
				setInterval(function(){
					var check = current();
					if(check != self.current){
						$.browser.msie && addIEHistory(check);
						callback(check, self.current);
					}
					self.current = check;
				}, timer) 
			} : function(){
				window.onhashchange = function(){
					var update = current();
					callback(update, self.current);
					self.current = update;
				}
			};
			this.callback = callback;
			if ($.browser.opera) history.navigationMode = setOverrideHistoryNavigationMode = 'compatible';
			if($.browser.msie && nohashevent){
				var IEHistoryFrame = document.createElement('iframe'),
				addIEHistory = function(hash){
					if(hash==IEHistoryFrame.contentWindow.curHash) return;
					IEHistoryFrame.contentWindow.document.open();
					IEHistoryFrame.contentWindow.document.write('<scr'+'ipt>window.curHash = "'+hash+'"; parent.location.hash = "'+hash+'"</scr'+'ipt>');
					IEHistoryFrame.contentWindow.document.close();
				};
				IEHistoryFrame.src = 'javascript:true;';
				IEHistoryFrame.style.display = 'none';
				document.body.appendChild(IEHistoryFrame);
			}
			this.push = function(update, target) {
				if (this.current != update) set(update, target);
				return true
			}
			init();
			//callback(current());
		}
		
	};
}(this, this.jQuery));