var intNextStep 	= 0; 
var intCurrentSlide = 0;
var arrSlideArray   = new Array();
arrSlideArray[0]	= '/images/live-shops/famvision.com.jpg';
arrSlideArray[1]	= '/images/live-shops/messagebears.com.jpg';
arrSlideArray[2]	= '/images/live-shops/shilajeet.com.jpg';

function navigate(intDirection){
	intNextStep = intCurrentSlide + intDirection;
	if (intNextStep > (arrSlideArray.length - 1)){
		intNextStep 	= 0;
		intCurrentSlide = 0;
	}else if(intNextStep < 0){
		intNextStep 	= arrSlideArray.length - 1;
		intCurrentSlide = arrSlideArray.length - 1;
	}else{
		intCurrentSlide = intNextStep;
	}
	if (intNextStep >= 0){
		document.images['slide'].src = arrSlideArray[intNextStep];
	}
}