if (window.screen.availWidth>1200) 
	y=480;
else if (window.screen.availWidth>1000) 
	y=480;
else if (window.screen.availWidth<1000) 
	y=480;
else
	y=496;

div_y=0;
distance=0;

function stay(){
	var ny;
	ny=y+document.documentElement.scrollTop;
	distance=ny-div_y;
	if(div_y!=ny){div_y+=(distance/30);}
	//document.getElementById("master").style.top= div_y+"px";
	document.getElementById("master").style.top= ny+"px";
	setInterval('stay()');
}
stay();
setfont();