function preloadImages(imgs){
	var picArr = [];
	for (i = 0; i<imgs.length; i++){
		picArr[i]= new Image(100,100); 
		picArr[i].src=imgs[i]; 
	}
}

preloadImages([
'images/slider/slider-1.png',
'images/slider/slider-2.png',
'images/slider/slider-3.png',
'images/slider/slider-4.png',
'images/slider/slider-5.png',
'images/slider/slider-6.png',
'images/slider/slider-ek-step.png',
'images/slider/slider-safe.png',
'images/slider/slider-orchid.png']);