var x = 0;
var y = 0;
var skinW = 10;
var skinH = 29;
var width = document.body.offsetWidth + skinW;
var height = document.body.offsetHeight + skinH;

function onMoveWin()
{
	x = (screen.availWidth-document.body.clientWidth)/2;
	y = (screen.availHeight-document.body.clientHeight)/2;
	width = document.body.offsetWidth + skinW;
	height = document.body.offsetHeight + skinH;
}
function resizeWin(tW, tH)
{
	var tX = (screen.availWidth-tW)/2;
	var tY = (screen.availHeight-tH)/2;
	var tW = tW + skinW;
	var tH = tH + skinH;
	moveTo(tX, tY);
	resizeTo(tW, tH);
}
onMoveWin();