//jiandancy.js 简单常用JavaScript调用函数
window.onerror =function(){ return true};  
//设置cookie
function shezhick(name,value)
{
  var Days = 30; //此 cookie 将被保存 30 天
  var exp  = new Date();    //new Date("December 31, 9998");
  exp.setTime(exp.getTime() + Days*24*60*60*1000);
  document.cookie = name + "="+ escape(value) +";expires="+ exp.toGMTString();
}
//得到cookie
function dedaock(name)
{
  var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
  if(arr != null) return unescape(arr[2]); return null;
}
//删除cookie
function shanchuck(name)
{ 
   var date = new Date();
   date.setTime(date.getTime() - 10000);
   document.cookie = name + "=a; expires=" + date.toGMTString(); 
} 
//PNG图片透明
//试用方法建议 rsdow.attachEvent("onload", toumingpng);
function toumingpng() 
{
   for(var i=0; i<document.images.length; i++)
   {
	  var img = document.images[i]
	  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=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
	     + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
		 img.outerHTML = strNewHTML
		 i = i-1
	  }
   }
} 
//图片等比例
function tupiandbl(tupianid,kuan,gao)
{
  var image=new Image();
  image.src=tupianid.src;   
  if(image.width>0 && image.height>0)
  {
       if(image.width/image.height>= kuan/gao)
	   {
           if(image.width>kuan)
		   {
               tupianid.width=kuan;           
               tupianid.height=(image.height*kuan)/image.width;
           }
		   else
		   {
               tupianid.width=image.width;           
               tupianid.height=image.height;         
           }
       } 
	   else
	   {         
           if(image.height>gao)
		   {           
               tupianid.height=gao;           
               tupianid.width=(image.width*gao)/image.height;
           }
		   else
		   {
               tupianid.width=image.width;
              tupianid.height=image.height; 
           }       
       }   
   } 
} 
//开关12,用于 fieldset legend
function kaiguan12(jbcs)
{  
	obj1=document.getElementById(jbcs+'1');
	obj2=document.getElementById(jbcs+'2');
	nr=obj1.innerHTML.substr(0,1); 
	if(nr=="+")
	{  
		obj2.style.display=''; 
		obj1.innerHTML="-"+obj1.innerHTML.substr(1,obj1.innerHTML.length);
	}
	else
	{
		obj2.style.display='none';
		obj1.innerHTML="+"+obj1.innerHTML.substr(1,obj1.innerHTML.length);
	} 
} 
//表格隔行换色
var G = function(id){return document.getElementById(id)}
var EACH = function(o,fn){for(var i=0;i<o.length;i++){fn.call(o[i],i,o); if(i==o.length-1) return o}}
var _2009_ = function(){this.init.apply(this,arguments)};
_2009_.prototype={
 init:function(o){
  EACH(G(o.id).rows,function(i,O){i%2== +!!o.parity ? this.style.background = o.cor1:'';
   this['color'] = this.style.background;
   this.onmouseover = function(){this.style.background = o.cor2}
   this.onmouseout = function(){this.style.background = this['color']}
  })
 }
};
//用法如下.可设定奇偶.
//new _2009_({id:'jbxx2',cor1:'#E6E6EA',cor2:'#BAD0FC'}); 
//选项卡
function xuanxiangk(kapianid,neirongid,n) {
 var elem = document.getElementById(kapianid);
 var elemlist = elem.getElementsByTagName("li");
 for (var i=0; i<elemlist.length; i++) {
  elemlist[i].className = "yincang";
  var m = i+1;
  document.getElementById(neirongid+"_"+m).className = "yincang";
 }
  elemlist[n-1].className = "xianshi";
  document.getElementById(neirongid+"_"+n).className = "xianshi";
}
//清除提示
setInterval("qingchuts()",5000);  
function qingchuts() 
{ 
	document.getElementById("tishi").style.display="none";
	document.getElementById("tishi").innerHTML = ""; 
}  
//鼠标提示 
function shubiaots(neirong) 
{  
	document.getElementById("tishi").style.display='';
	document.getElementById("tishi").style.left=event.clientX+ document.documentElement.scrollLeft ;
	document.getElementById("tishi").style.top=event.clientY+ document.documentElement.scrollTop ;
	document.getElementById("tishi").innerHTML = neirong;  
} 
 //打开资源 
function dakaizy(obj) 
{ 
	window.open(obj.wangzhi+'?biaohao='+obj.canshu,obj.dakaifs,obj.qitacs); 
}