function GetCookieVal(offset)
//获得Cookie解码后的值
{
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
function SetCookie(name, value)
//设定Cookie值
{ 
	//alert(name+value);
	var expdate = new Date();
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
	document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
	+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
	+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//删除Cookie
{
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
	//alert("DelCookie:"+name );
}
function GetCookie(name)
//获得Cookie的原始值
{
	//alert("GetCookie:"+name );
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
			return GetCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}
function continueShopping(){//继续购物的URL
  	continueShoppingUrl =GetCookie("continueShoppingUrl");
	if(continueShoppingUrl==null || continueShoppingUrl==""){
		//continueShoppingUrl="/commonSearchAll.do?commonStr=";
		//continueShoppingUrl="/merchandiseSearch.do?excuteFlg=merchandiseShow&merFrom=1&merflag=1";
		//continueShoppingUrl="/merchandiseCounter.do?flag=show&merIssearchmer=C";
		//09-10-27 改为跳到新盛生专柜
		//continueShoppingUrl="/yellowPageLee.do?searchFlg=findLeechdom&merFrom=selfDrug";
		//2010-03-09 改为跳到药品黄页
		continueShoppingUrl="/drugsYellow.html";
	}
	//alert(continueShoppingUrl );
	window.location=continueShoppingUrl ; 
	DelCookie("continueShoppingUrl");
}

//添加购物车时用下边的方法存上,
//SetCookie("continueShoppingUrl","/commonSearchAll.do?commonStr=复方莪术油软胶囊&cur=1");
//继续购物时用下边的方法把值取出来.转向.
//continueShoppingUrl =GetCookie("continueShoppingUrl");
//alert(continueShoppingUrl );
//window.location=continueShoppingUrl ;

function continueShoppingSave(commonStr,cur){
	var urlStr ='/commonSearchAll.do?commonStr='+encodeURIComponent(commonStr);
	if(cur!=null&&cur!=''){
		urlStr=urlStr+'&cur='+cur;
	}
	SetCookie('continueShoppingUrl',urlStr);
}