var y_pos_is = 0;
function position() {
	if (navigator.appName + "." + navigator.platform =="Microsoft Internet Explorer.MacPPC")
	{
		//yposition = document.body.scrollTop;
		//document.getElementById("navibox").style.top = yposition;
		//document.getElementById("photobox").style.top = yposition;
	}
	else
	{
		yposition = document.body.scrollTop;
		deacc = 5;
		if (yposition > y_pos_is) {
			jump = yposition - y_pos_is;
			y_pos_is = y_pos_is+jump/deacc;
			document.getElementById("navibox").style.top = y_pos_is;
			document.getElementById("photobox").style.top = y_pos_is;
		}
		if (yposition < y_pos_is) {
			jump =  y_pos_is - yposition;
			y_pos_is = y_pos_is-jump/deacc;
			document.getElementById("navibox").style.top = y_pos_is;
			document.getElementById("photobox").style.top = y_pos_is;
		}
		window.setTimeout("position()",50);
	}
	
}