var ie = (document.all)? true : false
var nn6 = (!ie && document.getElementById)? true : false
var nn4 = (document.layers)? true : false

function popupWin(name, uri, wdt, hgt, scrollbars) {
	var posCode = ''

	if (nn4 || nn6 || ie) {
		if ((screen.height < 481) && (hgt > 400)) { hgt = 400 }

		posX = Math.round((screen.width - wdt) / 2)
		posY = Math.round((screen.height - hgt) / 4)

		posCode = (nn4 || nn6)? ",screenX="+posX+",screenY="+posY : ",left="+posX+",top="+posY
	}
	
	var scrollbars = scrollbars ? 'yes' : 'no';

	popupedWin = window.open(uri, name, "status=yes,menubar=no,toolbar=no,resizable=yes,scrollbars="+scrollbars+",location=no,width="+wdt+",height="+hgt+posCode)
	popupedWin.focus()
}