function DrawImage(ImgD,FitWidth,FitHeight){     var image=new Image();     image.src=ImgD.src;     if(image.width>0 && image.height>0){         if(image.width/image.height>= FitWidth/FitHeight){             if(image.width>FitWidth){                 ImgD.width=FitWidth;                 ImgD.height=(image.height*FitWidth)/image.width;             }else{                 ImgD.width=image.width;                 ImgD.height=image.height;             }         } else{             if(image.height>FitHeight){                 ImgD.height=FitHeight;                 ImgD.width=(image.width*FitHeight)/image.height;             }else{                 ImgD.width=image.width;                 ImgD.height=image.height;             }         }     } }