window.onload = function()
{
	var strCook = document.cookie; 
	if(strCook.indexOf("!~")!=0)
	{ 
		var intS = strCook.indexOf("!~"); 
		var intE = strCook.indexOf("~!"); 
		var strPos = strCook.substring(intS+2,intE);
		document.body.scrollTop = strPos; 
	}
}

window.onscroll = function()
{
	var intY = document.body.scrollTop; 
	document.cookie = "yPos=!~" + intY + "~!";
}

function goTop()
{
	document.cookie = "yPos=!~" + 0 + "~!";
}