var yomotsuRollover = {
	
	main : function() {
		var img = document.images, ipt = document.getElementsByTagName('input'), i, preLoadImg = [];
		// img elements
		for (i = 0; i <img.length; i++) {
			if ((img[i].src.match(/.*_n\./))||(img[i].style.filter)){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = img[i].src.replace('_n.', '_o.');

				img[i].onmouseover = yomotsuRollover.over;
				img[i].onmouseout  = yomotsuRollover.out;
				try {img[i].addEventListener('click', yomotsuRollover.click, false);}
				catch(e){img[i].attachEvent('onclick', (function(el){return function(){yomotsuRollover.click.call(el);};})(img[i]));}
			}
		}
		// input[image] elements
		for (i = 0; i <ipt.length; i++) {
			if ((ipt[i].src.match(/.*_n\./))&&(ipt[i].getAttribute('type')=='image')){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = img[i].src.replace('_n.', '_o.');

				ipt[i].onmouseover = yomotsuRollover.over;
				ipt[i].onmouseout  = yomotsuRollover.out;
				try {ipt[i].addEventListener('click', yomotsuRollover.click, false);}
				catch(e){ipt[i].attachEvent('onclick', (function(el){return function(){yomotsuRollover.click.call(el);};})(ipt[i]));}
			}
		}
	}
	,
	
	over : function() {
		var imgSrc, preLoadImgSrc;
		if((this.style.filter)&&(this.style.filter.match(/_n\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_n.png', '_o.png');
		else
			this.src = this.src.replace('_n.', '_o.');
	},

	out : function(){
		if((this.style.filter)&&(this.style.filter.match(/_o\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_o.png', '_n.png');
		else
			this.src = this.src.replace('_o.', '_n.');
	},
	
	click : function(){
		if((this.style.filter)&&(this.style.filter.match(/_o\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_o.png', '_n.png');
		else
			this.src = this.src.replace('_o.', '_n.');
	},

	addEvent : function(){
		try {
			window.addEventListener('load', this.main, false);
		} catch (e) {
			window.attachEvent('onload', this.main);
		}
	}
}

yomotsuRollover.addEvent();


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.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}