function emailValid() {
  var re = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
  //determine what form we are on
  if(document.xContactForm && document.xContactForm.email){
	return (re.exec(document.xContactForm.email.value) != null);
  }
  
  if(document.xApplicationForm && document.xApplicationForm.x_email){
    return (re.exec(document.xApplicationForm.x_email.value) != null);
  }
  return false;
  /* if there are any other forms that depend on this, they should be added in the same way.
  if (re.exec(document.xContactForm.email.value)) {
    return true;
  } else {
    return false;
  } */
}

function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function fncLoad() {
	preloadImages('/img/managed-security_dn.gif','/img/professional-services_dn.gif','/img/about-dn.gif','/img/services-dn.gif','/img/clients-dn.gif','/img/approach-dn.gif','/img/careers-dn.gif','/img/contact-dn/')
}
function PopUp(sURL, height, width) {
   window.open(sURL, "PopUpWin", "resizable=no,scrollbars=yes,toolbar=no,location=no,directories=no,status=yes,menubar=no,copyhistory=no,title=no,width=" + width + ",height=" + height)
}

var win= null;
function NewWindow(mypage,myname,mywidth,myheight){
var winl = (screen.width-mywidth)/2;
var wint = (screen.height-myheight)/2;
settings='height='+myheight+',width='+mywidth+',top='+wint+',left='+winl+',scrollbars=no,toolbar=no,location=no,status=no,menubar=no,resizable=no,dependent=no'
win=window.open(mypage,myname,settings)
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}

}