var myOpacity = 100;
var currIdx = 4;
var slideshow2_noFading = false;
var slideshow2_timeBetweenSlides = 1000;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 5;	// Speed of fading	(Lower value = faster)

var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;
function fadeImage(imgIdx)
{
	myOpacity = myOpacity - 10;
	//alert(myOpacity + " - " + "img" + imgIdx + " - " + document.getElementById("img" + imgIdx));
	if(document.all){
		document.getElementById("smenu" + currIdx).style.filter = 'alpha(opacity='+myOpacity+')';
		document.getElementById("smenu" + imgIdx).style.filter = 'alpha(opacity='+(100-myOpacity)+')';
	}else{
		document.getElementById("smenu" + currIdx).style.opacity = Math.max(0.01,myOpacity/100);	// Can't use 1 and 0 because of screen flickering in FF
		document.getElementById("smenu" + imgIdx).style.opacity = Math.min(0.99,(1 - (myOpacity/100)));
	}
	if(myOpacity>0){
		setTimeout('fadeImage(' + imgIdx + ')',slideshow2_fadingSpeed);
	}else{
		document.getElementById("smenu" + currIdx).style.display = 'none';		
		//showGallery(divId);
		currIdx = imgIdx;
	}
}

function menuclick(menuid)
{
    for(i=1;i<=4;i++)
    {
        if (i==menuid)
        {
            document.getElementById("smenu" + i).style.display = "block";
        }else{
            document.getElementById("smenu" + i).style.display = "none";
        }
    }
    /*myOpacity = 100;
    document.getElementById("smenu" + menuid).style.display = "block";
    fadeImage(menuid);*/
}