// JavaScript Document

// jQuery Preload Images
(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery);

// Background Animation
/**
 * @author Alexander Farkas
 * v. 1.21
 */
(function($) {
	if(!document.defaultView || !document.defaultView.getComputedStyle){ // IE6-IE8
		var oldCurCSS = jQuery.curCSS;
		jQuery.curCSS = function(elem, name, force){
			if(name === 'background-position'){
				name = 'backgroundPosition';
			}
			if(name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[ name ]){
				return oldCurCSS.apply(this, arguments);
			}
			var style = elem.style;
			if ( !force && style && style[ name ] ){
				return style[ name ];
			}
			return oldCurCSS(elem, 'backgroundPositionX', force) +' '+ oldCurCSS(elem, 'backgroundPositionY', force);
		};
	}
	
	var oldAnim = $.fn.animate;
	$.fn.animate = function(prop){
		if('background-position' in prop){
			prop.backgroundPosition = prop['background-position'];
			delete prop['background-position'];
		}
		if('backgroundPosition' in prop){
			prop.backgroundPosition = '('+ prop.backgroundPosition;
		}
		return oldAnim.apply(this, arguments);
	};
	
	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]];
	}
	
	$.fx.step. backgroundPosition = function(fx) {
		if (!fx.bgPosReady) {
			var start = $.curCSS(fx.elem,'backgroundPosition');
			
			if(!start){//FF2 no inline-style fallback
				start = '0px 0px';
			}
			
			start = toArray(start);
			
			fx.start = [start[0],start[2]];
			
			var end = toArray(fx.options.curAnim.backgroundPosition);
			fx.end = [end[0],end[2]];
			
			fx.unit = [end[1],end[3]];
			fx.bgPosReady = true;
		}
		//return;
		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];

	};
})(jQuery);


jQuery(document).ready(function($) {
	
	
}); // END dom ready

jQuery(window).load(function() {
	// Run animations when the whole window is loaded...
	
	jQuery("#menu a.home").show().animate({top:0},1300,'easeOutCubic');
	jQuery("#menu a.about").delay(500).show().animate({top:0},1300,'easeOutCubic');
	jQuery("#menu a.children").delay(1000).show().animate({top:0},1300,'easeOutCubic');
	jQuery("#menu a.updates").delay(1500).show().animate({top:0},1300,'easeOutCubic');
	jQuery("#menu a.resources").delay(2000).show().animate({top:0},1300,'easeOutCubic');
	
	jQuery("#support").delay(1300).animate({top:0},2000,'easeOutCubic');
	jQuery("#contact").delay(1800).animate({top:0},2000,'easeOutCubic');
	
	moveVideoButton();
	
	
});

function moveVideoButton() {
	
	leftval = Math.floor(Math.random() * (320 - 16 + 1) + 16);
	
	jQuery("#watchvideobutton").animate({top: 90},800,'easeInBounce').animate({left:leftval},100).animate({top: 150},1500,'easeOutBounce');
	
	setTimeout('moveVideoButton()',8000);
}