$(function() {		
  // background rotator and resizer
  $.mbBgndGallery.buildGallery({
  containment:"#container",
  timer:5000,
  effTimer:2000,  
  images:[
   "/script/images/image9.jpg",
   "/script/images/image10.jpg",   
   "/script/images/image12.jpg",
   "/script/images/image7.jpg"      
   ]
 }); 
	
	// animate navigation background
	$.extend($.fx.step,{
			backgroundPosition: function(fx) {
				if (fx.state === 0 && typeof fx.end == 'string') {
					var start = $.curCSS(fx.elem,'backgroundPosition');
					start = toArray(start);
					fx.start = [start[0],start[2]];
					var end = toArray(fx.end);
					fx.end = [end[0],end[2]];
					fx.unit = [end[1],end[3]];
				}
				var nowPosX = [];
				nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
				nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];
				fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];
	
			   function toArray(strg){
				   strg = strg.replace(/left|top/g,'0px');
				   strg = strg.replace(/right|bottom/g,'100%');
				   strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
				   var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
				   return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
			   }
			}
		});	
	
	$('#nav li a')
		.css( {backgroundPosition: "0 -53px"} )
		.mouseover(function(){
			$(this).stop().animate(
				{backgroundPosition:"(0 0)"}, 
				{duration:200})
			})
		.mouseout(function(){
			$(this).stop().animate(
				{backgroundPosition:"(0 -53px)"}, 
				{duration:200})
			})	
	Cufon.replace('#nav', {hover: true, fontFamily: 'Book Antiqua'});
	Cufon.replace('.home, .text, #cont, .download-pps', {hover: true});
});