(function($){
	
	$(document).ready(function() {
		
		
	});
	
	$.fn.cloud_move = function(size){
		
		var cWinWidth = $(size).width();
		var cSpeed	  = Math.random()*0.02+0.2;
		var Cstep 	  = 0;
		var cXpos 	  = Math.round(Math.random()*cWinWidth);
		var cYpos 	  = Math.round(Math.random()*10) - 50;
		var Step 	  = Math.random()*0.015+0.01;
		var _this = $(this);
	
		function cMove(){
			
			var sx = cSpeed*Math.sin(90*Math.PI/180);
				cXpos+=sx;			
			if (cXpos > cWinWidth){
				cXpos = -$(_this).width();
				cYpos = Math.round(Math.random()*10)-50;
				cSpeed =  Math.random()*0.02+0.2;
			};
			$(_this).css({left:cXpos,top:cYpos});
			
			Cstep += Step;			
			setTimeout(cMove,20);
			///var m =  $('.memo').html();$('.memo').html(m +"::"+ cXpos);
		};
		cMove();		
	};
	
	$.fn.leaves_add = function(){

		var grphcs=new Array(5);
		var Image0=new Image();
			Image0.src=grphcs[0]="image/leaves/leaf_01.png";
		var Image1=new Image();
			Image1.src=grphcs[1]="image/leaves/leaf_02.png";
		var Image2=new Image();
			Image2.src=grphcs[2]="image/leaves/leaf_03.png";
		var Image3=new Image();
			Image3.src=grphcs[3]="image/leaves/leaf_04.png";
		var Image4=new Image();
			Image4.src=grphcs[4]="image/leaves/leaf_05.png";
	
		var Amount=10; //Smoothness depends on image file size, the smaller the size the more you can use!
		var Ypos=new Array();
		var Xpos=new Array();
		var Speed=new Array();
		var Step=new Array();
		var Cstep=new Array();
		var obj = new Array();
		
		for (i = 0; i < Amount; i++){
			var P=Math.floor(Math.random()*grphcs.length);
			rndPic=grphcs[P];
			var img = '<img class="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px">';
			$(this).append(img);			
			obj[i] = $(this).append(img);; 
		}
	
		var WinHeight= 900;
		var WinWidth= 1100;
	
		for (i=0; i < Amount; i++){                                
		 Ypos[i] = Math.round(Math.random()*WinHeight);
		 Xpos[i] = Math.round(Math.random()*WinWidth);
		 Speed[i]= Math.random()*0.02+1.2;
		 Cstep[i]=0;
		 Step[i]=Math.random()*0.01+0.01;
		}
	
		function fall(){
			for (i=0; i < Amount; i++){
				var sy = Speed[i]*Math.sin(90*Math.PI/180);
				var sx = Speed[i]*Math.cos(Cstep[i]);
				Ypos[i]+=sy;
				Xpos[i]-=sx;
				
				if (Ypos[i] > WinHeight){
					Ypos[i]= -60;
					Xpos[i]= Math.round(Math.random()*WinWidth);
					Speed[i]= Math.random()*0.02+1.2;
				}				
				//var m =  $('.memo').html();$('.memo').html(m +"--"+i);					
				
				$('.si'+i).css({left:Xpos[i],top:Ypos[i]});
				Cstep[i]+=Step[i];
			}
			setTimeout(fall,20);
		}
		fall();
	};
	
})(jQuery);