/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ //DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
		if(el.style.display != "block"){ //DynamicDrive.com change
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submenu") //DynamicDrive.com change
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!="")
document.getElementById(cookievalue).style.display="block"
}
}

function savemenustate(){
var inc=1, blockid=""
while (document.getElementById("sub"+inc)){
if (document.getElementById("sub"+inc).style.display=="block"){
blockid="sub"+inc
break
}
inc++
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
window.onunload=savemenustate

    var originalURL = document.referrer||'Referrer unknown'

function goTo(url){
    location.href = url;
}

function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobjstr, opt_position){
if (document.getElementById){
var subobj=document.getElementById(subobjstr)
subobj.style.display=(subobj.style.display!="block")? "block" : "none"

return false
}
else
return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}

/* 
  ------------------------------------------------
  PVII Equal CSS Columns scripts -Version 2
  Copyright (c) 2005 Project Seven Development
  www.projectseven.com
  Version: 2.1.0
  ------------------------------------------------
*/
function P7_colH2(){ //v2.1.0 by PVII-www.projectseven.com
 var i,oh,h=0,tg,el,np,dA=document.p7eqc,an=document.p7eqa;if(dA&&dA.length){
 for(i=1;i<dA.length;i+=2){dA[i+1].style.paddingBottom='';}for(i=1;i<dA.length;i+=2){
 oh=dA[i].offsetHeight;h=(oh>h)?oh:h;}for(i=1;i<dA.length;i+=2){oh=dA[i].offsetHeight;
 if(oh<h){np=h-oh;if(!an&&dA[0]==1){P7_eqA2(dA[i+1].id,0,np);}else{
 dA[i+1].style.paddingBottom=np+"px";}}}document.p7eqa=1;
 document.p7eqth=document.body.offsetHeight;
 document.p7eqtw=document.body.offsetWidth;}
}
function P7_eqT2(){ //v2.1.0 by PVII-www.projectseven.com
 if(document.p7eqth!=document.body.offsetHeight||document.p7eqtw!=document.body.offsetWidth){P7_colH2();}
}
function P7_equalCols2(){ //v2.1.0 by PVII-www.projectseven.com
 var c,e,el;if(document.getElementById){document.p7eqc=new Array();
 document.p7eqc[0]=arguments[0];for(i=1;i<arguments.length;i+=2){el=null;
 c=document.getElementById(arguments[i]);if(c){e=c.getElementsByTagName(arguments[i+1]);
 if(e){el=e[e.length-1];if(!el.id){el.id="p7eq"+i;}}}if(c&&el){
 document.p7eqc[document.p7eqc.length]=c;document.p7eqc[document.p7eqc.length]=el}}
 setInterval("P7_eqT2()",10);}
}
function P7_eqA2(el,p,pt){ //v2.1.0 by PVII-www.projectseven.com
 var sp=10,inc=20,g=document.getElementById(el);np=(p>=pt)?pt:p;
 g.style.paddingBottom=np+"px";if(np<pt){np+=inc;
 setTimeout("P7_eqA2('"+el+"',"+np+","+pt+")",sp);}
}

///********\
function Validate (pRegForm)
{
	if (IsEmpty(pRegForm.sender.value))
		{
			   alert ("email needs to be entered");
			   pRegForm.sender.focus();
			   return false;
		}
	if (IsEmpty(pRegForm.message.value))
		{
			   alert ("Message needs to be entered");
			   pRegForm.message.focus();
			   return false;
		}
	if (IsEmpty(pRegForm.school.value))
		{
			   alert ("School needs to be entered");
			   pRegForm.school.focus();
			   return false;
		}
	if (IsEmpty(pRegForm.city.value))
		{
			   alert ("City needs to be entered");
			   pRegForm.city.focus();
			   return false;
		}
	
	return emailCheck(pRegForm.sender.value)		

		
	function IsEmpty(psText)
		{
		 	if (psText == "")
			   return true;
			else
			{
			 	var iNumberOfSpaces = 0;
			
				for (var iIndex=0;iIndex<psText.length;iIndex++)
				{
				 	if (psText.substr(iIndex,1) == " ")
					   iNumberOfSpaces++;
				}
				return (iNumberOfSpaces >= psText.length);
			}
			
		}	
}

function emailCheck (emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		f1.sender.focus();
		return false;
	}
	
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
	alert("Ths username contains invalid characters.");
	f1.sender.focus();
	return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
	alert("Ths domain name contains invalid characters.");
	f1.sender.focus();
	return false;
	   }
	}
	
	
	if (user.match(userPat)==null) {
	
	alert("The username doesn't seem to be valid.");
	f1.sender.focus();
	return false;
	}
	
	/* if the e-mail address is at an IP address (as opposed to a symbolic
	host name) make sure the IP address is valid. */
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	
	// this is an IP address
	
	for (var i=1;i<=4;i++) {
	if (IPArray[i]>255) {
	alert("Destination IP address is invalid!");
	f1.sender.focus();
	return false;
	   }
	}
	return true;
	}
	
	// Domain is symbolic name.  Check if it's valid.
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
	alert("The domain name does not seem to be valid.");
	f1.sender.focus();
	return false;
	   }
	}
	
	/* domain name seems valid, but now make sure that it ends in a
	known top-level domain (like com, edu, gov) or a two-letter word,
	representing country (uk, nl), and that there's a hostname preceding 
	the domain or country. */
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	alert("The address must end in a well-known domain or two letter " + "country.");
	f1.sender.focus();
	return false;
	}
	
	// Make sure there's a host name preceding the domain.
	
	if (len<2) {
	alert("This address is missing a hostname!");
	f1.sender.focus();
	return false;
	}
	
	// If we've gotten this far, everything's valid!
	input_box=confirm("Confirm if your email address is correct:\" " +f1.sender.value + 	"\" ");
		if (input_box==true){ 
		return true
	}else{
		return false
	}
	//return true;
	}

//  End -->