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