// swiping screenshots
// ------------------------------------------------------------

var lastShotNumber = 0;

function showScreenshot(shotNumber){
	if ( shotNumber != lastShotNumber){
		//swap the shot
 		$("#iphone_screenshots").animate({ opacity: 0, marginLeft: "30px", }, 300 )
		.animate({ marginLeft: "-30px", }, 1 )
		.animate({ backgroundPosition: "0 -" + (shotNumber*365-365) + "px", }, 1 )
		.animate({ opacity: 1, marginLeft: "0px", }, 243 );
		//change selected
		$('.thumbnail_selected').removeClass("thumbnail_selected");
		if(shotNumber == 5){
			document.getElementById("thumbnail_" + shotNumber).setAttribute("class", "thumbnail thumbnail_selected last");
		}else{
			document.getElementById("thumbnail_" + shotNumber).setAttribute("class", "thumbnail thumbnail_selected");
		}
		//incriment
		lastShotNumber = shotNumber;
	}
}