function showimage(actid) {
	var winl = (screen.width - 420) / 2;
	var wint = (screen.height - 400) / 2;
	var winprops = 'height=400,width=420,top='+wint+',left='+winl+',scrollbars=yes,resizable'
	var imagepage = "dispimage.php?actid=" + actid;
	var win = window.open(imagepage, "Display Gallery Image", winprops)
	if (parseInt(navigator.appVersion) >= 4) {
		win.window.focus();
	}
}