function setImgSize(ImgD,width,height){ 
	var flag=false;
	var image=new Image();
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
		flag=true;
		if(image.width/image.height>= width/height){
		  if(image.width>width){
		   ImgD.width=width; 
		   ImgD.height=(image.height*height)/image.width; 
		  }else{ 
		   ImgD.width=image.width;
		   ImgD.height=image.height; 
		  } 
		}else{ 
		  if(image.height>height){
		   ImgD.height=height; 
		   ImgD.width=(image.width*height)/image.height; 
		  }else{
		   ImgD.width=image.width;
		   ImgD.height=image.height;
		  }
		}
	}
}