function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


	/*
	var strTest1 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
	var strTest = "";
	
	for (var i=0; i<6; i++)
		strTest += strTest1;
	
	debug("length", strTest.length);
	writePagedData("pdtest", strTest);
	debug("read", readPagedData("pdtest").length);
	*/
	
	function writePagedData (strName, strData) {
		var i = 1;
		
		
		while (strData.length > 0) {
			strPage = strData.substring(0, cfgPortlets.pageSize);
			
			createCookie(strName + i, strPage, cfgPortlets.cookieExpire);
			
			if (strData.length > cfgPortlets.pageSize)
				strData = strData.substring(cfgPortlets.pageSize);
			else
				strData = "";
			
			i++;
		}
		
		eraseCookie(strName + i);
	}	
	
	function readPagedData(strName) {
		var i = 1;
		var strData = readCookie(strName + i);
		var strReturn = null
		
		
		while (strData != null && strData != 'null') {
			if (strReturn == null)
				strReturn = strData;
			else
				strReturn += strData;
			
			i++;
			strData = readCookie(strName + i);
		}
		
		
		return strReturn;
	}