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; } } } }