var flag=false;

function DrawImage(ImgD,imageWidth,imageHeight) {

   var image=new Image();

   image.src=ImgD.src;

   if(image.width>0 && image.height>0){

    flag=true;

    if(image.width/image.height>= imageWidth/imageHeight){

     if(image.width>imageWidth){

     ImgD.width=imageWidth;

     ImgD.height=(image.height*imageWidth)/image.width;

     }else{

     ImgD.width=image.width;

     ImgD.height=image.height;

     }

     }

    else{

     if(image.height>imageHeight){

     ImgD.height=imageHeight;

     ImgD.width=(image.width*imageHeight)/image.height;

     }else{

     ImgD.width=image.width;

     ImgD.height=image.height;

     }

     }

    }

  }