//var flag=false;
function DrawImage(ImgD,FitWidth,FitHeight){
	//alert(''+ImgD.src);
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= FitWidth/FitHeight){
if(image.width>FitWidth){ 
ImgD.width=FitWidth;
ImgD.height=(image.height*FitWidth)/image.width;
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}
//ImgD.alt="点击图片放大("+image.width+"×"+image.height+")";
}
else{
if(image.height>FitHeight){ 
ImgD.height=FitHeight;
ImgD.width=(image.width*FitHeight)/image.height; 
}else{
ImgD.width=image.width; 
ImgD.height=image.height;
}
//ImgD.alt="点击图片放大("+image.width+"×"+image.height+")";
}
}
}