var FileHelper={getName:function(a){return null==a||""==a?"":-1==a.indexOf("/")?a.substring(1*a.lastIndexOf("\\")+1):a.substring(1*a.lastIndexOf("/")+1)},getShortName:function(a){return null==a||""==a?"":a.substring(0,a.lastIndexOf("."))},getExtName:function(a){return null==a||""==a?"":a.substring(a.lastIndexOf(".")+1).toLowerCase()},getDir:function(a){return-1==a.indexOf("/")?a.substring(0,a.lastIndexOf("\\")):a.substring(0,a.lastIndexOf("/"))},isFileExt:function(a,b){if(!a)return!1;var c=this.getExtName(a);
return $.inArray(c,b)},isPicture:function(a){return this.isFileExt(a,["png","jpg","jpeg","gif","bmp"])},isVoice:function(a){return this.isFileExt(a,["amr","mp3","wav"])},isVideo:function(a){return this.isFileExt(a,"avi dat flv m4v mkv mov mp4 mpeg mpg ogg ogv rm rmvb ts vob webmv wmv".split(" "))},isFlash:function(a){return this.isFileExt(a,["swf"])},isSvg:function(a){return this.isFileExt(a,["svg","svgz"])},isHtml:function(a){return this.isFileExt(a,["html","htm"])},isText:function(a){return this.isFileExt(a,
["txt"])},isPdf:function(a){return this.isFileExt(a,["pdf"])},isXml:function(a){return this.isFileExt(a,["xml"])},isZip:function(a){return this.isFileExt(a,["zip"])},isKisc:function(a){return this.isFileExt(a,["kisc"])}};