function chgBg(obj,color)
{
	if (document.all || document.getElementById)
	  obj.style.backgroundColor=color;
	else if (document.layers)
	  obj.bgColor=color;
}

function openwindow(url,w,h,n,s)
{
	window.open(url,n,"toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars="+s+", resizable=yes, width="+w+", height="+h);
}