// JavaScript Document
$(document).ready(function() {
	$('img[@src$=.png]').ifixpng();
	
	testFor();
	if(forLoopTime<=150){
setInterval("headscroll()",100);
}
});


var posx;
var start;
var end;
var forLoopTime = 0;
		
		
function testFor()
		{
			start = new Date();
			for (var i=0; i<=1000000; i++)
			{
				void(0);
			}
			end = new Date();
			forLoopTime = end-start;
		}




var h = 0;
var i = 0;
var j = 0;
var k = 0;
var l = 0;
var m = 0;
var n = 0;
var o = 0;
			
			 
function headscroll(){
	//oben
	h = h + 0.5;
	i = i + 0.8;
	j = j + 1;
	k = k + 2;

	//unten
	l = l + 0.8;
	m = m + 1.1;
	n = n + 1.3;
	o = o + 2.3;
				
	$("#bg_top_00").css("background-position", h+"px 124px"); 
	$("#bg_top_01").css("background-position", i+"px 0px"); 
	$("#bg_top_02").css("background-position", j+"px 87px"); 
	$("#bg_top_03").css("background-position", k+"px 0px");
	
	$("#bg_bottom_00").css("background-position", l+"px 0px"); 
	$("#bg_bottom_01").css("background-position", m+"px 20px"); 
	$("#bg_bottom_02").css("background-position", n+"px 0px"); 
	$("#bg_bottom_03").css("background-position", o+"px 10px"); 
}