// search input
var dwsSearch = {
	hoverBtn : function(o,s){
		dwsElement.addClassName(o,s);
		o.onmouseout = function(){
			dwsElement.delClassName(this,s);
		}
	},
	doInput	: function(o){
		if (o.value==o.defaultValue) {
			o.value="";
		}
		o.onblur = function(){
			o.value==""?o.value=o.defaultValue:"";
		}
	},
	doSearch : function(input) {
        var q = document.getElementById(input).value;
        if ( q=="" || q=="请输入您要搜索的关键字")
           alert('请输入您要搜索的关键字!');
        else
           window.location.href = encodeURI("/search.aspx?q="+q);                    
    }
}

function readCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}

function writeCookie(name, value, hours)
{
  var expire = "";
  //if(hours != null)
  //{
    expire = new Date((new Date()).getTime() + 10 * 3600000);
    expire = "; expires=" + expire.toGMTString();
  //}
  document.cookie = name + "=" + escape(value) + expire + "; path=/;";
}


function navactive()
{
    var ul = document.getElementById("nav_main");  
    var len = ul.childNodes.length;   
    var li = readCookie("active");
    if ( li == null){
        ul.childNodes[0].className = "active"; 
        return;
    }         
     
    for(var i = 0; i < len; i++)
    {         
        if (li == ul.childNodes[i].innerText)          
           ul.childNodes[i].className = "active";           
        else
           ul.childNodes[i].className = "first";
    }
}


var picArray;

function nextprvPic(index,pon)
{
     if (pon == true)
        index --;
     else
        index ++;  
        
     var p = index+1;
     var length = picArray.length; 
     var cru = "<a style='margin-right:20px''>第"+p+"页(共"+length+"页)</a>";        
     var cmdPrv =  "<a href='javascript:nextprvPic("+index+",true)'><上一页 </a>";
     var cmdNext = "<a href='javascript:nextprvPic("+index+",false)'>下一页 ></a>";
    
     if ( index == 0 )
        document.getElementById("nextprv").innerHTML = cru+cmdNext;
     else if (index ==length-1)
        document.getElementById("nextprv").innerHTML = cru+cmdPrv
     else
        document.getElementById("nextprv").innerHTML = cru+cmdPrv+"<span style='width:10px'></span>"+cmdNext;
      
     document.getElementById("imgdiv").innerHTML="<img src='/upload/"+picArray[index]+"'/>";
}

function initPic( pics)
{
     picArray = pics.split(",");         
     document.getElementById("imgdiv").innerHTML="<img src='/upload/"+picArray[0]+"'/>"; 
     
     if ( picArray.length > 1)
        document.getElementById("nextprv").innerHTML = "<a style='margin-right:20px''>第1页(共"+picArray.length+"页)</a><a href='javascript:nextprvPic(0,false)'>下一页 ></a>";
}