jQuery(window).load(function(){
    jQuery("#header_slide").nivoSlider({
		effect:'boxRainGrow',
		slices:15,
		boxCols: 12,
		boxRows: 6,
		animSpeed:1000,
		pauseTime:8000,
		startSlide:0,
		directionNav:false,
		controlNav:false,
		keyboardNav:false,
		pauseOnHover:false,
		manualAdvance:false
    });
});