var loc = (document.location+"").split('?')[0];
	
	function postToWb(title,url,num,location){
		//alert(loc+ '?num=' + num);
		var _t = encodeURI(title);
		var _url = encodeURIComponent(loc+ '?num=' + num);
		if(location)
			_url = location;
		var _appkey = encodeURI("appkey");//你从腾讯获得的appkey
		var _pic = encodeURI(url);//（例如：var _pic='图片url1|图片url2|图片url3....）
		var _site = 'http://www.danding.com.cn/';//你的网站地址
		var _u = 'http://v.t.qq.com/share/share.php?title='+_t+'&url='+_url+'&appkey='+_appkey+'&site='+_site+'&pic='+_pic;
		window.open( _u,'', 'width=700, height=680, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=yes, resizable=no, status=no' );
	}
	
	function postToSina(title,url,num,location){
	((function(s,d,e,r,l,p,t,z,c){var f='http://v.t.sina.com.cn/share/share.php?',u=z||d.location,p=['url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||url)].join('');function a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else a();})(screen,document,encodeURIComponent,'长颈鹿但丁','http://www.danding.com.cn','',title,location?location:loc+ '?num=' + num,'utf-8'));
	}
	var kaixin;
	function postToKaixin(title,url,num,location){d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(kaixin=window.open('http://www.kaixin001.com/~repaste/repaste.php?&rurl='+escape(location?location:(loc+ '?num=' + num))+'&rtitle='+escape(title)+'&rcontent='+escape(title + " " +url),'kaixin'));if(kaixin)kaixin.focus();
	}
	
	function postToRenren(title,url,num,location){u='http://share.renren.com/share/buttonshare.do?link='+(location?location:(loc+ '?num=' + num))+'&title='+encodeURIComponent(title);window.open(u,'xiaonei','toolbar=0,resizable=1,scrollbars=yes,status=1,width=626,height=436');void(0);
	}
	function getQueryString(name) 
{ 
	// 如果链接没有参数，或者链接中不存在我们要获取的参数，直接返回空 
	if(location.href.indexOf("?")==-1 || location.href.indexOf(name+'=')==-1) 
	{ return ''; } 
	// 获取链接中参数部分 
	var queryString = location.href.substring(location.href.indexOf("?")+1); 
	// 分离参数对 ?key=value&key2=value2 
	var parameters = queryString.split("&"); 
	var pos, paraName, paraValue; 
	for(var i=0; i<parameters.length; i++) 
	{ 
	// 获取等号位置 
	pos = parameters[i].indexOf('='); 
	if(pos == -1) { continue; } 
	// 获取name 和 value 
	paraName = parameters[i].substring(0, pos); 
	paraValue = parameters[i].substring(pos + 1); 
	// 如果查询的name等于当前name，就返回当前值，同时，将链接中的+号还原成空格 
	if(paraName == name) 
	{ 
	return unescape(paraValue.replace(/\+/g, " ")); 
	} 
	} 
	return ''; 
};