function DrawImage(ImgD,intLargeImgWidth,intLargeImgHeight,intAltFlag)
{
	var image = new Image();
	image.src = ImgD.src;

	if (image.width > 0 && image.height > 0)
	{
		flag = true;
		if (image.width/image.height >= intLargeImgWidth/intLargeImgHeight)
		{
			if (image.width > intLargeImgWidth)
			{  
				ImgD.width = intLargeImgWidth;
				ImgD.height = (image.height * intLargeImgWidth)/image.width;
			} 
			else
			{
				ImgD.width = image.width;  
				ImgD.height = image.height;
			}

			if (intAlfFlag = 0 )
			{
				ImgD.alt = "实际大小：" + image.width + "×" + image.height + ",点击查看原始图";
			}
		}
		else
		{
			if (image.height > intLargeImgHeight)
			{  
				ImgD.height = intLargeImgHeight;
				ImgD.width = (image.width * intLargeImgHeight)/image.height;     
			}
			else
			{
				ImgD.width = image.width;  
				ImgD.height = image.height;
			}
			
			if (intAltFlag = 0 )
			{
				ImgD.alt = "实际大小：" + image.width + "×" + image.height+ ",点击查看原始图";
			}
		}
	}
   /*else{
    ImgD.src="";
    ImgD.alt=""
    }*/
} 

/**********************************************************************/
/* Function    : DrawImage2() Created At Feb,12,2004
/* Input       : None
/* Output      : None
/* Description : 自适应显示图片
/***********************************************************************/
function DrawImage2(ImgD,intLargeImgWidth)
{
	var image = new Image();
	image.src = ImgD.src;

	if (image.width > intLargeImgWidth)
	{  
			ImgD.width = intLargeImgWidth;
	}

	ImgD.alt = "实际大小：" + image.width + "×" + image.height + ",点击查看原始图";

}