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