// JScript File

 function validarEmail(valor) {
  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor)){   
   return (true)
  } else {
   alert("La dirección de email es incorrecta.");
   return (false);
  }
 }
 
function swap(listIdPrefix) {
    collapsedList = document.getElementById(listIdPrefix + "_collapsed");
    expandedList = document.getElementById(listIdPrefix + "_expanded");
    if (collapsedList.style.display == "block") {
        collapsedList.style.display = "none";
        expandedList.style.display = "block";
    } else {
        collapsedList.style.display = "block";
        expandedList.style.display = "none";
    }
} 

function modelesswin(url,mwidth,mheight){
    if (document.all&&window.print) //if ie5
        eval('window.showModelessDialog(url,"","help:0;resizable:1;dialogWidth:'+mwidth+'px;dialogHeight:'+mheight+'px")')
    else
        eval('window.open(url,"","width='+mwidth+'px,height='+mheight+'px,resizable=1,scrollbars=1")')
}

var win = null;
function NewWindow(mypage,myname,w,h,scroll)
{
    LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
    TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
    settings =
    'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
    win = window.open(mypage,myname,settings)
}