// s - array to string "a,b,c,d"
function getnavstr(s) {
	var ret = "";
	var a = s.split(",");
	ret += "<tr class=\"thead thead1\"><td ><img src=\"css/i/side_pointer.png\" /> " + a[0] + "</td></tr>";
	for (i = 1; i < a.length-1; i += 2) {
		ret += "<tr><td class=\"tline\"> <a href=\"show.html?" + a[i] + "\">" + a[i+1] + "</a></td></tr>";
	}
	return ret;
}

function geturltail() {
	var ss = document.location.href.split("?");
	var s = ss[ss.length - 1];
	return s;
}

  
function expand(s)
{  
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  td.className="top_nav_cell_hover";
//  td.className = "";
  d.className = "menuHover";
}  
function collapse(s)
{  
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  td.className="top_nav_cell";
//  td.className = "";
  d.className = "menuNormal";
}  
   
function change_no_hover(nav) {
	if (nav.className.substring(nav.className.length - 6) == "_hover") {
		bnav.className = nav.className.substring(0, nav.className.length - 6);
	}
}  
   
function change_hover(nav) {
	//alert("" + nav.className + "_hover");
	if (nav.className.substring(nav.className.length - 6) != "_hover") {
		bnav.className = "" + nav.className + "_hover";
	}
/* 
	alert("" + nav.className + " " + nav.className.endsWith("_hover"));
	var navname = "" + nav.className;
	alert("" + nav.className + " " + navname.endsWith("_hover"));
   
	if (!navname.endsWith("_hover")) {
		nav.className = navname + "_hover";
	}
	
	alert("" + nav.className);
*/

}

function DrawImage(ImgD){
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= 90/90){
if(image.width>90){
ImgD.width=90;
ImgD.height=(image.height*90)/image.width;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
//ImgD.alt=image.width+"×"+image.height;
}
else{
if(image.height>90){
ImgD.height=90;
ImgD.width=(image.width*90)/image.height;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
//ImgD.alt=image.width+"×"+image.height;
}
}
} 

function toggleMenu(menuTitle,menuID){
   var menu = document.getElementById(menuID);
   if(menu.style.display == 'block') menu.className = 'CLOSED';
   else if(menu.className == 'OPEN' && menu.style.display != 'none') menu.className = 'CLOSED';
   else {
      menu.className = 'OPEN';
   }
   if(menuTitle.blur)menuTitle.blur();
   if(menuTitle.className == 'exp') menuTitle.className = 'exp_ed';
   else menuTitle.className = 'exp';
   return;
}
function flipMenu(myMenuName){
   var menuName = document.getElementById(myMenuName);
   menuName.className = 'exp_ed';
}


	function writeDate() {
		var enabled = 0; today = new Date();
		var day; var date;
		if(today.getDay()==0) day = "星期日"
		if(today.getDay()==1) day = "星期一"
		if(today.getDay()==2) day = "星期二"
		if(today.getDay()==3) day = "星期三"
		if(today.getDay()==4) day = "星期四"
		if(today.getDay()==5) day = "星期五"
		if(today.getDay()==6) day = "星期六"
		document.fgColor = "000000";
		var year = today.getYear();
		if (year < 1000) year += 1900;
		date =(year) + "年" + (today.getMonth() + 1 ) + "月" + today.getDate() + "日 " + day +"";
		document.write( date );
	}