function openWindow(url,name,w,h,scroll,resize,menu) {
   newWindow = window.open(url,name,"width="+w+",height="+h+",resizable="+(resize ? "1":"0")+",toolbar="+(menu ? "1":"0")+",location=0,status=0,menubar="+(menu ? "1":"0")+",directories=0,scrollbars="+(scroll ? "1":"0"));
   newWindow.focus();
}

function submit_form(formName,actName) {
   document.forms[formName].elements["act"].value=actName;
   document.forms[formName].target="";
   return true;
}

function setField(formName, fieldName, iniValue) {

   if (document.forms[formName].elements[fieldName].value == iniValue)
      document.forms[formName].elements[fieldName].value = "";

   document.forms[formName].elements[fieldName].className += " black";
}