var iversion = -1;

var imgLoaded = 0;

var lav = 0;

var ipass = 0;



function version() {

	if (iversion != -1) return iversion;

	if(navigator.appName.indexOf("Netscape") != -1){

		if (navigator.userAgent.indexOf("Mozilla/2.0") != -1)

			iversion = 2;

			else

				if (navigator.userAgent.indexOf("Mozilla/3") != -1)

					iversion = 3;

					else

						if (navigator.userAgent.indexOf("Mozilla/4") != -1){

							iversion = 4;

							lav = 1;

						}

						else

							iversion = 1;

	}

	else {

		if(navigator.appName.indexOf("Internet Explorer") != -1){

			if (navigator.userAgent.indexOf("Mozilla/4") != -1){

				iversion = 4;

				lav = 1;

			}

			else

				iversion = 1;

		}

		else

			iversion = 1;

	}

	return iversion;

}



function init(param) {

	if (3<=version()) {

		if(document.images) {

I1On=new Image();

I1Off=new Image();

I1On.src=param+"img/lapaon.gif"

I1Off.src=param+"img/lapa.gif"

	imgLoaded=1;

			}

	}

}



function MouseOver(ImageName) {

	if (3<=version()) {

		if( imgLoaded== 0 ) return;

			document[ImageName].src=eval(ImageName + "On.src");

	}

}



function MouseOut(ImageName) {

	if (3<=version()) {

		if( imgLoaded== 0 ) return;

			document[ImageName].src=eval(ImageName + "Off.src");

	}

}