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>=  120/120){
             if(image.width>120){     
             ImgD.width=120;
             ImgD.height=(image.height*120)/image.width;
             }else{
             ImgD.width=image.width;     
             ImgD.height=image.height;
             }
            
             }
           else{
             if(image.height>120){    
             ImgD.height=120;
             ImgD.width=(image.width*120)/image.height;          
             }else{
             ImgD.width=image.width;    
             ImgD.height=image.height;
             }
           
             }
           }
    }