function showme()
{
	var me = event.srcElement;
	var c = me.parentElement.parentElement.parentElement.children[1];
	if( c.style.display == "none")
	{
		c.style.display = "block";
		me.title = "点击收起";
		me.src = "/skin/BttnCllps.gif";
	}
	else
	{
		c.style.display = "none";
		me.title = "点击展开";
		me.src = "/skin/BttnExpnd.gif";
	}
}

function openMenu(mid)
{
	var me = document.all('sub'+mid);
	if( me)
	{
		if(me.style.display == "none")
			me.style.display = "";
		else 
			me.style.display = "none";
		if( me.innerHTML.indexOf("col2") > -1)
			return false;
		else
			return true;
	}
	else
	{
		return true;
	}
}

/***********************根据图片的比例生成缩略图 ******************/
function ResizeImage(imageDest, W, H)
{
    //显示框宽度W,高度H 
    var image = new Image();
    image.src = imageDest.src;
    if(image.width>0 && image.height>0)
    {
        //比较纵横比
        if(image.width/image.height >= W/H)//相对显示框：宽>高
        {
             if(image.width > W) //宽度大于显示框宽度W，应压缩高度
             {
                       imageDest.width = W; 
                       imageDest.height = (image.height*W)/image.width;   
             }
             else //宽度少于或等于显示框宽度W，图片完全显示
             {
                       imageDest.width = image.width;       
                       imageDest.height = image.height;   
             }
        }
        else//同理
        {
             if(image.height > H)
             {
                       imageDest.height = H;
                       imageDest.width = (image.width*H)/image.height;
              }
             else
             {
                       imageDest.width = image.width;
                       imageDest.height = image.height;
             }
        }
    }
}

//将页面内所有指定id的图片按比例缩放
function RsizeAllImageById(id, W, H)
{
    var imgs = document.getElementsByTagName("img");
    for(var i=0; i<imgs.length; i++)
    {
       if(imgs[i].id == id)
       {
            ResizeImage(imgs[i], W, H);
       }
    }
    
    var ll = parent.location.toString();
	if( ll.toLowerCase().indexOf("#")==-1)
	{  
	    ll+= "#";
	    document.location = ll;
	 }
}
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