// JavaScript Document
//Post-it only once per browser session? (0=no, 1=yes)
//Specifying 0 will cause postit to display every time page is loaded
var von;
var bis;

if(typeof anfangStr != "undefined"){
	var anfangArray = anfangStr.split(".");
	von = new Date(anfangArray[2], anfangArray[1]-1, anfangArray[0], 0, 0, 0);
}
else
	von = "01.01.1970";

if(typeof endeStr != "undefined"){	
	var endeArray = endeStr.split(".");
	bis = new Date(endeArray[2], endeArray[1]-1, endeArray[0], 0, 0, 0);
}
else
	bis = "01.07.1970";

if(typeof msg == "undefined")
	var msg = "";
	
var oncePerBrowser = false;
var postitObject;

var posX = 0;
var poY = 0;
var moveObject = false;

function closePostit(){
	postitObject.style.visibility="hidden";
}

function getCookie(Name) {
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
    	offset = document.cookie.indexOf(search);
    	if (offset != -1) { // if cookie exists
      		offset += search.length;
      		// set index of beginning of value
      		end = document.cookie.indexOf(";", offset);
      		// set index of end of cookie value
      		if (end == -1)
         		end = document.cookie.length;
      		returnvalue=unescape(document.cookie.substring(offset, end))
      	}
   	}
  	return returnvalue;
}

function showOrNot(){
	var jetzt = new Date();
	if(von <= jetzt && jetzt <= bis){
		if (getCookie('postdisplay')==''){
			showPostit();
			document.cookie="postdisplay=yes";
		}
		if (getCookie('postdisplay')=='yes' && oncePerBrowser == false)
			showPostit();
	}
}

function showPostit(){
	postitObject = document.getElementById("postit");
	postitObject.style.visibility = "visible";
	document.getElementById("postitMessage").innerHTML = msg;
}