/**
 * functions.js - JavaScript Functions.
 * @package functions.js
 * @copyright 2005 - 2007 Victor Leonard
*/

/**
 * popUp Function
 * Launches pop up with given URL.
 * @param string URL (URL to include in the popup)
 * @param string height (height of the popup)
 * @param string width (width of the popup)
 * @param string scroll (boolean to show / hide the scrollbar)
 * @param string resize (boolean to enable / disable the resizing)
 * @access public
*/

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

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

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

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

//**** start form field checks
function CheckContactDetails(){
	var inputVal = document.contact.email.value;
	pass = true;
	details = 'Invalid information entered.\n\n';

	if (document.contact.name.value == '') {
		details+= '- Please enter Your Name.\n\n';
    	if (pass) document.contact.name.focus();
		pass = false;
	}
	if (inputVal == '') {
		details+= '- Please enter an Email Address.\n\n';
    	if (pass) document.contact.email.focus();
		pass = false;
	}
	else if (inputVal.indexOf("@") == -1){
		details+= '- Please enter a properly formatted Email Address.\n\n';
    	if (pass) document.contact.email.focus();
		pass = false;
	}
	else if (inputVal.indexOf(".") == -1){
		details+= '- Please enter a properly formatted Email Address.\n\n';
    	if (pass) document.contact.email.focus();
		pass = false;
	}
	if (pass)
		return true;
	else
		details+= 'Please correct the above errors before proceeding.    \n\n';
		alert(details);
		return false;
}

//**** start form field checks
function CheckSignupDetails(){
	var inputVal = document.signup.email.value;
	pass = true;
	details = 'Invalid information entered.\n\n';

	if (document.signup.name.value == '') {
		details+= '- Please enter Your Name.\n\n';
    	if (pass) document.signup.name.focus();
		pass = false;
	}
	if (inputVal == '') {
		details+= '- Please enter an Email Address.\n\n';
    	if (pass) document.signup.email.focus();
		pass = false;
	}
	else if (inputVal.indexOf("@") == -1){
		details+= '- Please enter a properly formatted Email Address.\n\n';
    	if (pass) document.signup.email.focus();
		pass = false;
	}
	else if (inputVal.indexOf(".") == -1){
		details+= '- Please enter a properly formatted Email Address.\n\n';
    	if (pass) document.signup.email.focus();
		pass = false;
	}
	if (pass)
		return true;
	else
		details+= 'Please correct the above errors before proceeding.    \n\n';
		alert(details);
		return false;
}

//**** 
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&amp; &parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&amp; &d.all) x=d.all[n]; for (i=0;!x&amp; &i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&amp; &d.layers&amp; &i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x &amp; &amp; d.getElementById) x=d.getElementById(n); return x;
}

function openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//**** end rotating images on homepage

//**** start reload page
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&amp; &amp; (parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);