100) opacity = 100; // fix opacity to be from minOpacity to 100 opacity *= (range/100); opacity += minOpacity; if(opacity > 100){ opacity = 100; } opacity = Math.round(opacity); var opacity_str; if(opacity >= 100){ opacity_str = '1.0'; } else { opacity_str = '0.'+opacity; } return opacity_str; } this.parentNode.parentNode.setAttribute("style","opacity:"+opstr(num)+" !important;"); ]]>