// Open a new window
function newWindow(mypage,myname,w,h,scroll) 
{
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable,toolbar=yes'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

// ShowImage in autoresized window
function showImage(img)
{
	newWindow('/showimage.php?img=' + img,'showimage',700,500,0);
}