// POSITION NAVI BLOCK ON SCROLLED PAGE
var y_pos_is = 0;
function position() {

		var x,y;
		if (self.pageYOffset) // all except Explorer
		{
			x = self.pageXOffset;
			y = self.pageYOffset;
		}
		else if (document.documentElement && document.documentElement.scrollTop)
			// Explorer 6 Strict
		{
			x = document.documentElement.scrollLeft;
			y = document.documentElement.scrollTop;
		}
		else if (document.body) // all other Explorers
		{
			x = document.body.scrollLeft;
			y = document.body.scrollTop;
		}
		
		yposition = y;
		
		//yposition = document.body.scrollTop;
		//yposition = document.documentElement.scrollTop;
		deacc = 2;
		if (yposition > y_pos_is) {
			jump = yposition - y_pos_is;
			y_pos_is = y_pos_is+jump/deacc;

		}
		if (yposition < y_pos_is) {
			jump =  y_pos_is - yposition;
			y_pos_is = y_pos_is-jump/deacc;
			
		}
		document.getElementById("nbox").style.marginTop = Math.round(y_pos_is)+"px";
		//document.getElementById("nbox").firstChild.data = y_pos_is;
		window.setTimeout("position()",50);

}