var flag=false;
function DrawImage(ImgD,w,h){ 

   var image=new Image();
   image.src=ImgD.src;

   if(image.width>0 && image.height>0){
    flag=true;
    if(image.width/image.height>1){
     if(image.width>w){
     ImgD.width=w;
     ImgD.height=(image.height*w)/image.width;
     }else{
     //alert(image.width);
     ImgD.width=image.width;
     ImgD.height=image.height;
      
     }
     //ImgD.alt=image.width+"กม"+image.height;
     }
    else{
     if(image.height>h){
	  ImgD.height=h;
     ImgD.width=(image.width*h)/image.height;
     }else{
     ImgD.width=image.width;
     ImgD.height=image.height;
     }
     //ImgD.alt=image.width+"กม"+image.height;
     }
    }
}