<!--
//控制图片大小成比例缩放
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>400){ 
ImgD.width=400;
}
}
}


//控制图片大小成比例缩放DrawImage_idx
var flag=false;
function DrawImage_idx(ImgD){
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
	if(image.width/image.height>= 170/170){
		if(image.width>170){ 
		ImgD.width=170;
		ImgD.height=(image.height*170)/image.width;
		}else{
		ImgD.width=image.width; 
		ImgD.height=image.height;
		}
	}
	else{
		if(image.height>170){ 
		ImgD.height=170;
		ImgD.width=(image.width*170)/image.height; 
		}else{
		ImgD.width=image.width; 
		ImgD.height=image.height;
		}
	}
}
} 

//-->