var flag=false; 
	function DrawImage(ImgD){ 
	 var image=new Image(); 
	 image.src=ImgD.src; 
	 if(image.width>0 && image.height>0){ 
	  flag=true; 
	  if(image.width/image.height>= 80/90){ 
	   if(image.width>80){
		ImgD.width=80; 
		ImgD.height=(image.height*80)/image.width; 
	   }else{ 
		ImgD.width=image.width;
		ImgD.height=image.height; 
	   } 
	   //ImgD.alt=image.width+"x"+image.height; 
	  } 
	  else{ 
	   if(image.height>90){
		ImgD.height=90; 
		ImgD.width=(image.width*90)/image.height; 
	   }else{ 
		ImgD.width=image.width;
		ImgD.height=image.height; 
	   } 
	   //ImgD.alt=image.width+"x"+image.height; 
	  } 
	 }
	}