function Img(im){ImgCls.Obj = ( im && typeof im == 'object' ) ? im : document.getElementById(im) ;return ImgCls ;}var ImgCls ={Obj : null ,Resize : function ( nWidth , nHeight ){var w , h , p1 , p2 ;p1 = nWidth / nHeight ; p2 = ImgCls.Obj.width / ImgCls.Obj.height ;w = 0 ; h = 0 ;if( p1 > p2 ){w = nWidth ;h = nWidth * ( 1 / p2 );}else{h = nHeight ;w = nHeight * p2 ;}ImgCls.Obj.width  = w ;ImgCls.Obj.height = h ;},ResizedByWH : function ( nWidth , nHeight ){ImgCls.Obj.width  = nWidth ;ImgCls.Obj.height = nHeight ;},ResizedByWidth : function ( nWidth ){ var p = nWidth / ImgCls.Obj.width ;ImgCls.Obj.width  = nWidth ;ImgCls.Obj.height = parseInt ( ImgCls.Obj.height * p ) ;},ResizedByHeight : function ( nHeight ){var p = nHeight / ImgCls.Obj.height ;ImgCls.Obj.height  = nHeight ;ImgCls.Obj.width = parseInt ( ImgCls.Obj.width * p ) ;},ResizedByPer : function ( nWidthPer , nHeightPer ){ ImgCls.Obj.width  = parseInt(ImgCls.Obj.width * nWidthPer / 100) ; ImgCls.Obj.height = parseInt(ImgCls.Obj.height * nHeightPer / 100) ;}}