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 (defaultButton && typeof(defaultButton.click) == "undefined") {
     defaultButton.click = function() {
       var result = true;
       if (defaultButton.onclick) 
         result = b.onclick();
       if (typeof(result) == "undefined" || result)
         eval(defaultButton.href);
     }
   } 

   if (defaultButton && typeof(defaultButton.click) != "undefined") {
     defaultButton.click();
     event.cancelBubble = true;
     if (event.stopPropagation) event.stopPropagation();
     return false;
   }
 }
 return true;
}