//Global variable containing rollover IDs

var possibleButtons = ['readstories', 'watchstories', 'learnmore'];

//Function to allow multiple onload events

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(rolloverInit);

//addLoadEvent(MM_CheckFlashVersion('8,0,0,0','Content on this page requires a newer version of Macromedia Flash Player. Do you want to download it now?'));

//window.onload = rolloverInit;

function rolloverInit() {
     for (var i=0; i<document.images.length; i++) {
        if (document.images[i].parentNode.tagName == "A") {
			for (var x=0; x < possibleButtons.length; x++ ) {
				if (document.images[i].id == possibleButtons[x]) {
           		setupRollover(document.images[i]);
				}
			}
        }
     }
}

function setupRollover(thisImage) {
	//add properties to the image object for mouseout 
     thisImage.outImage = new Image();
     thisImage.outImage.src = thisImage.src;
     thisImage.onmouseout = function() {
        this.src = this.outImage.src;
     }
	//add properties to the image object for mouseover
     thisImage.overImage = new Image();
     thisImage.overImage.src = "http://www.librariesforreallife.org/images/" + thisImage.id + "-highlight.jpg";
     thisImage.onmouseover = function() {
        this.src = this.overImage.src;
     }
}

/*Canned Dreamweaver Function*/

function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}