// JavaScript Document

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6. 
{ 
    var arVersion = navigator.appVersion.split("MSIE") 
    var version = parseFloat(arVersion[1]) 
    if ((version >= 5.5) && (document.body.filters)) 
    { 
       for(var j=0; j<document.images.length; j++) 
       { 
          var img = document.images[j] 
          var imgName = img.src.toUpperCase() 
          if (imgName.substring(imgName.length-3, imgName.length) == "PNG") 
          { 
             var imgID = (img.id) ? "id='" + img.id + "' " : "" 
             var imgClass = (img.className) ? "class='" + img.className + "' " : "" 
             var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " 
             var imgStyle = "display:inline-block;" + img.style.cssText 
             if (img.align == "left") imgStyle = "float:left;" + imgStyle 
             if (img.align == "right") imgStyle = "float:right;" + imgStyle 
             if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle 
             var strNewHTML = "<span " + imgID + imgClass + imgTitle 
             + " style=\"" + "overflow:hidden; width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" 
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" 
             + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
             img.outerHTML = strNewHTML 
             j = j-1 
          } 
       } 
    }    
} 
window.onload=correctPNG; 

//时间函数
function clock()
{
	var showtime=document.getElementById("time");
	var now = new Date();
	var year = now.getYear();
	var month = (now.getMonth()+1);
	var date   = now.getDate();
	var hours = now.getHours();
	var minutes = now.getMinutes();
	var seconds = now.getSeconds();
	var dayArr = new Array("星期日", "星期一", "星期二","星期三","星期四", "星期五","星期六");
	var day = now.getDay();
	if (hours<10) hours = "0"+hours;
	if (minutes<10) minutes = "0"+minutes;
	if (seconds<10) seconds = "0"+seconds;
	var timestr = year+"-"+month+"-"+date+"&nbsp;"+hours+":"+minutes+":"+seconds+","+dayArr[day];
	showtime.innerHTML=timestr;
	setTimeout("clock()",1000);//一秒后执行
}
//window.attachEvent("onload", clock); 


function selectTag(showContent,selfObj){
	selfObj.blur();
	// ǩ
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
}


function AddFavorite(sURL, sTitle) {   
    try {   
        window.external.addFavorite(sURL, sTitle);   
    } catch (e) {   
        try {   
            window.sidebar.addPanel(sTitle, sURL, "");   
        } catch (e) {   
            alert("加入收藏失败，请使用Ctrl+D进行添加");   
        }   
    }   
}