function ImgSize(ImgD,FitWidth,FitHeight,ShowFont){
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
	if(FitWidth!=null && FitHeight!=null){
         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;
             }
             if(ShowFont!=""){
               ImgD.title=ShowFont;
               //ImgD.alt=image.width + "กม" + image.height;
             }
               //ImgD.onclick=function(){window.open(this.src);}
               //ImgD.style.cursor="hand";
         } else{
             if(image.height>FitHeight){
               ImgD.height=FitHeight;
               ImgD.width=(image.width*FitHeight)/image.height;
             }else{
               ImgD.width=image.width; 
               ImgD.height=image.height;
             }
             if(ShowFont!=""){
               ImgD.title=ShowFont;
               //ImgD.alt=image.width + "กม" + image.height;
             }
               //ImgD.onclick=function(){window.open(this.src);}
               //ImgD.style.cursor="hand";
         }
	} else{
		if(FitWidth==null && FitHeight!=null){
          ImgD.height=FitHeight;
          if(ShowFont!="")ImgD.title=ShowFont;
		}else if(FitWidth!=null && FitHeight==null){
          ImgD.width=FitWidth;
          if(ShowFont!="")ImgD.title=ShowFont;
		}
	}
}
}