cookie封装

[javascript]代码库

function setCookie(name,value,iDay)
{
	var oDate=new Date();
	oDate.setDate(oDate.getDate()+iDay);
	document.cookie=name+'='+value+';expires='+oDate;
}
function getCookie(name)
{
   var arr=document.cookie.split('; ');  
   for(var i=0;i<arr.length;i++)
   {
	  var arr2=arr[i].split('=');
	  if(arr2[0]==name)
	  {
		 return arr2[1]; 
	   }   
    }
	return '';	
}
function removeCookie(name)
{
	 setCookie(name,1,-1);	
}