var popwindow
var popwindowtop=50
var popwindowleft=0
var waitingtime=5
var pause=20
var step=40
var marginright
var pagecenter
var timer

waitingtime= waitingtime*1000
	
	
function showWindow(img) {

	var foto1= new Image()
	foto1.src=(img)
	var popwindowURL=foto1.src
	var popwindowwidth=foto1.width
	var popwindowheight=foto1.height
	var popwindowleft=-popwindowwidth-50
	
	popwindow = window.open(popwindowURL, "popwindow", "toolbar=no,width="+popwindowwidth+",height="+popwindowheight+",top="+popwindowtop+",left="+(-popwindowwidth)+"");
	if (document.all) {
		marginright = screen.width+50
	}
	if (document.layers) {
		marginright = screen.width+50
	}
	pagecenter=Math.floor(marginright/2)-Math.floor(popwindowwidth/2)
	movewindow()
}

function movewindow() {
		if (popwindowleft<=pagecenter) {
			popwindow.moveTo(popwindowleft,popwindowtop)
			popwindowleft+=step
			timer= setTimeout("movewindow()",pause)
		}
		else {
			clearTimeout(timer)
			timer= setTimeout("movewindow2()",waitingtime)
		}
}

function movewindow2() {
		if (popwindowleft<=marginright) {
			popwindow.moveTo(popwindowleft,popwindowtop)
			popwindowleft+=step
			timer= setTimeout("movewindow2()",pause)
		}
		else {
			clearTimeout(timer)
			popwindow.close()
		}
}