if (document.all)
{
	layerRef	= 'document.all';
	styleRef	= '.style.';
	visShow		= 'visible';
	visHide		= 'hidden';
}
// ******************* netscape *******************************************************
else if (document.layers)
{
	layerRef	= 'document.layers';
	styleRef	= '.';
	visShow		= 'show';
	visHide		= 'hide';
}
// ************************************************************************************
function appreq(url)
{
	window.open(url,'appreq','width=480,height=545,left=0,top=0,toolbar=0,status=0,location=0,resizable=0,scrollbars=1');
}
function popcalc(url)
{
	window.open(url,'popcalc','width=450,height=350,left=260,top=240,toolbar=0,status=1,location=0,resizable=0,scrollbars=0,');
}
function popcalcins(url)
{
	window.open(url,'popcalcins','width=560,height=265,left=260,top=240,toolbar=0,status=1,location=0,resizable=0,scrollbars=0,');
}
function sbl(url)
{
	window.open(url,'sbl','width=280,height=130,left=260,top=240,toolbar=0,status=0,location=0,resizable=0,scrollbars=0,');
}
function toggleVis(odiv){
	if (odiv.style.visibility=="hidden") {
		odiv.style.visibility="visible";
		odiv.style.display="inline";
	}
	else {
		odiv.style.visibility="hidden";
		odiv.style.display="none";
	}

}