function WebForm_FireDefaultButton(event, target) {
    if (event.keyCode == 13 &&
           !(event.srcElement && (event.srcElement.tagName.toLowerCase() == "textarea"))){
       var defaultButton;
       if (__nonMSDOMBrowser)
           defaultButton = document.getElementById(target);
       else
           defaultButton = document.all[target];
       if (typeof(defaultButton.click) != "undefined") {            
           defaultButton.click();
           event.cancelBubble = true;
           if (event.stopPropagation) event.stopPropagation();
           return false;
       }
       if (typeof(defaultButton.href) != "undefined") {            
           eval(defaultButton.href.substr(11));
           event.cancelBubble = true;
           if (event.stopPropagation) event.stopPropagation();
           return false;
       }
   }
   return true;
}