function animation() {
	var delay_arr = new Array(0.0,1.3,7.1,5.2);
	var curr_start = delay_arr[Math.floor(Math.random()*4)];
	
	if(curr_start <= delay_arr[0]){
		$('#tween1').css( { display:'inline', opacity:0.5 } );
		$('#tween1').animate( { left:820, opacity:0.12, width:76 }, 5600, function(){
			$('#tween1').css( { width:162, left:-171 } );
		} );
	}
	
	if(curr_start <= delay_arr[1]){
		var	del1 = delay_arr[1] - curr_start;
		$('#tween2').css( { display:'inline', opacity:0.0 } );
		$('#tween2').delay(del1*1000);
		$('#tween2').animate( { left:-291, opacity:0.2, width:286 }, 4200, function(){
			$('#tween2').animate( { left:815, opacity:0.2, width:60 }, 4500, function(){
				$('#tween2').css( { width:119, left:837 } );
			} );
		} );
	}
	
	if(curr_start <= delay_arr[2]){
		var	del2 = delay_arr[2] - curr_start;
		$('#tween3').css( { display:'inline', opacity:0.0 } );
		$('#tween3').delay(del2*1000);
		$('#tween3').animate( { left:-55, opacity:0.2, width:995 }, 4100, function(){ 
			$('#tween3').animate( { opacity:0.0 }, 1800, function(){
				$('#tween3').css( { width:146, left:395 } );
			}); 
		} );
	}
	
	var	del4 = 9.1 - curr_start;
	$('#tween4').css( { display:'inline', opacity:0.0 } );
	$('#tween4').delay(del4*1000);
	$('#tween4').css( { opacity:0.15 } );
	$('#tween4').animate( { left:-271, opacity:0.3, width:270 }, 4400, function(){
		$('#tween4').css( { width:75, left:834 } );
		animation();
	});

	var	del5 = 10.2 - curr_start;
	$('#tween5').css( { display:'inline', opacity:0.0 } );
	$('#tween5').delay(del5*1000);
	$('#tween5').css( { opacity:0.15 } );
	$('#tween5').animate( { left:816, width:0  }, 2800, function(){
		$('#tween4').css( { width:76, left:-105 } );
	});

	if(curr_start <= delay_arr[3]){
		var	del6 = delay_arr[3] - curr_start;
		$('#tween6').css( { display:'inline', opacity:0.0 } );
		$('#tween6').delay(del6*1000);
		$('#tween6').css( { opacity:0.1 } );
		$('#tween6').animate( { left:-47 }, 4800, function(){
			$('#tween6').css( { width:45, left:818 } );
		});
	}
}

$(document).ready( animation );