// JavaScript Document

function ReadCookie(key) {
	 var sCookie = document.cookie;    
	 var aData = sCookie.split(";");
	 var oExp = new RegExp(" ", "g");
	 key = key.replace(oExp, ""); 

	 var i = 0;
	 while (aData[i]) {
		 var aWord = aData[i].split("=");                      
		  aWord[0] = aWord[0].replace(oExp, "");
		  if (key == aWord[0]) return unescape(aWord[1]); 
		  if (++i >= aData.length) break;                     
	 }
	 return ""; 
};

function PostCookie() {
	pagename = ReadCookie("pagename");
	//alert (pagename);
	window.onunload = function () {};
};

function WritheCookie(pagename01) {
	document.cookie  = "pagename=" + pagename01 + ";"; 
};

function DeleteCookie() {
	dTime = new Date();
	dTime.setYear(dTime.getYear() - 1);
	document.cookie  = "pagename=0;expires=" + dTime.toGMTString();
};