// 图片自剧中
	var flag=false;
	function aximg(ximg,a,b){
		var image=new image();
		var iwidth = a; //图片宽度
		var iheight = b; //图片高度
		image.src=ximg.src;
		if(image.width>0 && image.height>0){
		flag=true;
		if(image.width/image.height>= iwidth/iheight){
		if(image.width>iwidth){ 
		ximg.width=iwidth;
		ximg.height=(image.height*iwidth)/image.width;
		}else{
		ximg.width=image.width; 
		ximg.height=image.height;
		}
		ximg.alt=image.width+"×"+image.height;
		}
		else{
		if(image.height>iheight){ 
		ximg.height=iheight;
		ximg.width=(image.width*iheight)/image.height; 
		}else{
		ximg.width=image.width; 
		ximg.height=image.height;
		}
		ximg.alt=image.width+"×"+image.height;
		}
		}
	}