// JaSCL - JAvaScript Common Library
// Copyright (C) 2006-2011 IP Labs GmbH <http://www.iplabs.de/>
function NumberUtils(){}NumberUtils.getValidNumber=function(_,a,b,c){if(typeof(_)=='string'&&_===''){return a;}_=Number(_);if(typeof(_)!='number'||isNaN(_)){return a;}if(typeof(b)!='undefined'&&b!==null){if(_<b){return b;}}if(typeof(c)!='undefined'&&c!==null){if(_>c){return c;}}return _;};