var dom = (document.getElementById)? true : false;
var ie = (dom && document.all && !window.opera) ? true : false;

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

function popupWin(name, uri, wdt, hgt) {
	var posCode = ''
	if (nn4 || dom) {
		if ( (screen.height < 481) && (hgt > 400) ) { hgt = 400 }
		posX = Math.round((screen.width - wdt) / 2)
		posY = Math.round((screen.height - hgt) / 2 - 60)
//		posCode = (nn4 || nn6) ? ",screenX="+posX+",screenY="+posY : ",left="+posX+",top="+posY
		posCode = (ie) ? ",left="+posX+",top="+posY : ",screenX="+posX+",screenY="+posY
	}
//	alert(ie + '-' + screen.width + ' ' + screen.height + ' ' + posCode)
	popupedWin = window.open(uri, name, "status=yes,menubar=no,toolbar=no,resizable=yes,scrollbars=yes,location=no,width="+wdt+",height="+hgt+posCode)
	popupedWin.focus()
}