function cookie(name){
	var cookieArray=document.cookie.split("; ");
	
	for(var i=0;i<cookieArray.length;i++){
		var arr=cookieArray[i].split("=");
		if(arr[0]==name)
			return unescape(arr[1]);
	}
}

function delCookie(name){
	document.cookie=name+"=;expires="+(new Date(0)).toGMTString();
}
function getCookie(objName){
	var arrStr=document.cookie.split("; ");
	for(var i=0;i<arrStr.length;i++){
		var temp=arrStr[i].split("=");
		if(temp[0]==objName)
			return unescape(temp[1]);
	}
}
function addCookie(objName,objValue,objHours){
	var str=objName+"="+escape(objValue);
	if(objHours>0){
		var date=new Date();
		var ms=objHours*3600*1000;
		date.setTime(date.getTime()+ms);
		str+="; expires="+date.toGMTString();
	}
	document.cookie=str;
}

function SetCookie(name,value,hours){
	var date=new Date();
	var ms=objHours*3600*1000;
	date.setTime(date.getTime()+ms);
	document.cookie=name+"="+escape(value)+";expires="+date.toGMTString();
}