function popup(url, name, w, h) {
	var xpos = (screen.width - w)/2;
	var ypos = (screen.height - h)/2;
	pos = ',screenX=' + xpos;
	pos += ',screenY=' + ypos;
	pos += ',left=' + xpos;
	pos += ',top=' + ypos;
	features = 'width=' + w +',height=' + h + pos;
	window.open(url, name, features);
}

function moveAndsize(xsize, ysize, x, y) {
	window.resizeTo(xsize,ysize);
	window.moveTo(x,y);
	window.scrollbars.visible=false;
}