供应巡检控制仪 //自动缩放var flag=false;function DrawImage(ImgD){var image = new Image();image.src = ImgD.src;if(image.width0 && image.height0){flag = true;if(image.width/image.height = 1){if(image.width500){ ImgD.width = 500;ImgD.height = (image.height*400)/image.width;}else{ImgD.width = image.width; ImgD.height = image.height;}ImgD.alt = image.width+""+image.height;}else{if(image.height400){ ImgD.height = 400;ImgD.width = (image.width*500)/image.height; }else{ImgD.widt