Fade .....

[whisher]

function setOpacity(el,value) {
    el.style.opacity = value/10;
    el.style.mozOpacity = value/10;
    el.style.filter = 'alpha(opacity=' + value*10 + ')';
}
function fade(o,s,d,el){
    var opt=  (o == undefined || o=='')?10:o;
    var stop= (s == undefined || s=='')?3:s;
    var delay= (d == undefined || d=='')?100:d;
    if(!el){return;}
          var self= el;
          var timeoutID = window.setInterval(f, delay);
    
    function f(){    
        if(opt>stop){
            opt--;
            setOpacity(self,opt);
        }
        else {
            window.clearTimeout(timeoutID);
        }
    }
}

window.onload= function(){
    var _img= document.getElementsByTagName('img')[0];
    _img.onclick=function(){
        fade(9,6,100,this);
    }
} 

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