//
//
//
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) {
	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) / 2) - 35
		posCode = ",left="+posX+",top="+posY
	}
	popupedWin = window.open(uri, name, "status=yes,menubar=no,toolbar=no,resizable=yes,scrollbars=yes,location=no,width="+wdt+",height="+hgt+posCode)
	popupedWin.focus()
}

//
//
//
function dummy () {
}

//
//
//
function open_or_close_div ( div_id ) {
	if ( document.getElementById(div_id).style.display == '' || document.getElementById(div_id).style.display == 'none' ) {
		document.getElementById(div_id).style.display = 'block';
	} else {
		document.getElementById(div_id).style.display = 'none';
	}
}

//
//
//
function isBlank(sName, sText) {
	if (sName.value == "") {
		alert(sText);
		sName.className = 'input_required';
		sName.focus();
		return false;
	} else {
		sName.className = 'input_field';
		return true;
	}
}