// showcase click through
function previous(){
	if (x > 1){
		document.image1.src = images[x-1]
		x--	
		document.getElementById("btnNext").style.backgroundPosition = "100% 0px";
	}
	if (x < 2){
		document.getElementById("btnPrevious").style.backgroundPosition = "100% -42px";
	}
}

function next(){
	if (x < numberOfImages){
		document.image1.src = images[x+1]
		x++
		document.getElementById("btnPrevious").style.backgroundPosition = "0px 0px";
	}
	if (x > images.length-2){
		document.getElementById("btnNext").style.backgroundPosition = "100% -42px";
	}
}

/* function nextMouseOver(){document.getElementById("btnNext").style.backgroundPosition = "100% -21px";}
function nextMouseOut(){document.getElementById("btnNext").style.backgroundPosition = "100% 0px";}
function prevMouseOver(){document.getElementById("btnPrevious").style.backgroundPosition = "100% -21px";}
function prevMouseOut(){document.getElementById("btnPrevious").style.backgroundPosition = "100% 0px";} */