$('#block-new40').hover(function(){
$(this).css('opacity', '1');
});
function setOpacity (myElement, opacityValue) {
if (window.ActiveXObject) {
myElement.style.filter = "alpha(opacity="
+ opacityValue*100 + ")"; // IE
} else {
myElement.style.opacity = opacityValue; // Gecko/Opera
}
}