function NewWindow(mypage, myname) 
{
	if(screen)
	{
		var posX = screen.width/2 - 510/2;
		var posY = screen.height/2 - 410/2;
		openedWindow = window.open(mypage, myname, "height=410,width=510,top="+posY+",left="+posX+",scrollbars=no");
	}	
	else
	{
		openedWindow = window.open(mypage, myname, "height=410,width=510,top=0,left=0,scrollbars=no");
	}
	
	openedWindow.focus();
}