var winNewWindow = null;
function PopWin(strURL,strName,numWidth,numHeight) {
	if (winNewWindow == null || winNewWindow.closed) {
		winNewWindow = window.open(strURL, strName,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=' + numWidth + ',height=' + numHeight);
	} else {
		if (winNewWindow.closed == false) {
			winNewWindow.location = strURL;
			winNewWindow.focus();
		}
	}
}

function MissedFields(objForm,strFields) {
	var strMissedfields = '';
	eval("arrFields = new Array(" + strFields + ");");
	for (numIndex = 0;numIndex < arrFields.length/2;numIndex++) {
		eval("if (document." + objForm.name + "." + arrFields[numIndex * 2] + ".value == '') {strMissedfields = strMissedfields + ' - ' + arrFields[numIndex * 2 + 1] + '\\n'};");
	}
	
	if (strMissedfields != '') {
		alert ("Please ensure the following fields are completed:\n" + strMissedfields);
		return false;
	} else {
		return true;
	}
}