var count;
            function fade(){
            for(var i=0; i<document.images.length; i++){
            var image = document.images[i];
            if(image.className.match(/fade/i)){
            if(image.filters.alpha.opacity <= 100 && count > 0){
            image.filters.alpha.opacity += 1; count++; 
            } if(image.filters.alpha.opacity >= 100){ count = 1 };
            
            if(image.filters.alpha.opacity >= 0 && count < 0){
            image.filters.alpha.opacity -= 1; count--;
            } if(image.filters.alpha.opacity <= 0){ count = 1 };
            } 
            } setTimeout('fade()',05);
            } onload = fade;