function checkSendFriendForm(){
											
											if (document.getElementById('sender_name').value == "") {
												document.getElementById('prompt').innerHTML = 'Your name is required';
												return false;
											}
											if (!echeck(document.getElementById('sender_email').value)) {
												document.getElementById('prompt').innerHTML = 'Your email is either missing or of invalid format';
												return false;
											}
											if (!echeck(document.getElementById('sender_friend_email').value)) {
												document.getElementById('prompt').innerHTML = 'Your friend\'s email is either missing or of invalid format';
												return false;
											}
											if (document.getElementById('sender_message').value == "") {
												document.getElementById('prompt').innerHTML = 'Your message is required';
												return false;
											}
											if (document.getElementById('sender_reply').value != 5) {
												document.getElementById('prompt').innerHTML = 'Your answer to the last question is wrong. Please check again';
												return false;
											}
											return true;
											}

function checkContactForm(){
											
											if (document.getElementById('sender_name').value == "") {
												document.getElementById('prompt').innerHTML = 'Your name is required';
												return false;
											}
											if (!echeck(document.getElementById('sender_email').value)) {
												document.getElementById('prompt').innerHTML = 'Your email is either missing or of invalid format';
												return false;
											}
											if (document.getElementById('sender_message').value == "") {
												document.getElementById('prompt').innerHTML = 'Your message is required';
												return false;
											}
											if (document.getElementById('sender_answer').value != 9) {
												document.getElementById('prompt').innerHTML = 'You either didn\'t provide an answer for the last question or your answer is incorrect. Please check again.';
												return false;
											}
											return true;
											}
											
function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		 
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		  
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    
		    return false
		 }

 		 return true					
	}

function checkSendToFriendForm() {

}

function sendContactForm() {
	if (document.getElementById('sender_name').value == "") {
												document.getElementById('prompt').innerHTML = 'Your name is required';
												return false;
											}
											if (!echeck(document.getElementById('sender_email').value)) {
												document.getElementById('prompt').innerHTML = 'Your email is either missing or of invalid format';
												return false;
											}
											if (!echeck(document.getElementById('sender_friend_email').value)) {
												document.getElementById('prompt').innerHTML = 'Your friend\'s email is either missing or of invalid format';
												return false;
											}
											if (document.getElementById('sender_message').value == "") {
												document.getElementById('prompt').innerHTML = 'Your message is required';
												return false;
											}
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			document.myForm.time.value = ajaxRequest.responseText;
		}
	}
	ajaxRequest.open("GET", "serverTime.php", true);
	ajaxRequest.send(null); 

}
var events = new Array();
	events[0] = "evt1";
	events[1] = "evt2";
	events[2] = "evt3";
	events[3] = "evt4";
	events[4] = "evt5";
	
var event_id = new Array();
	event_id[0] = "#evt-img-1";
	event_id[1]= "#evt-img-2";
	event_id[2] = "#evt-img-3";
	event_id[3] = "#evt-img-4";
	event_id[4] = "#evt-img-5";
	
var events_desc = new Array();
events_desc[0] = "This is event 1";
events_desc[1] = "This is event 2";
events_desc[2] = "This is event 3";
events_desc[3] = "This is event 4";

$("#evt-img-2").hide();
$("#evt-img-3").hide();
$("#evt-img-4").hide();
$("#evt-img-5").hide();
function switchEvent(event_n) {
			if (document.getElementById("evt" + event_n).className == 'current-tab') {
				return;
			}
			for (x in events) {
				if (events[x] == "evt"+event_n) {
					document.getElementById(events[x]).className = 'current-tab';
					$("#evt-img-"+event_n).slideDown(300);
				}
				else {
					document.getElementById(events[x]).className = 'evt_name';
					$(event_id[x]+"").slideUp(500);
				}
			}
}

var sp = new Array();
sp[0] = "sp1";
sp[1] = "sp2";

var sp_id = new Array();
sp_id[0] = "#sp-img-1";
sp_id[1] = "#sp-img-2";


$("#sp-img-2").hide();

function switchServices(index) {
	if (document.getElementById("sp" + index).className == 'current-tab') {
				return;
			}
			for (x in sp) {
				if (sp[x] == "sp"+index) {
					document.getElementById(sp[x]).className = 'current-tab';
					$("#sp-img-"+index).slideDown(300);
				}
				else {
					document.getElementById(sp[x]).className = 'evt_name';
					$(sp_id[x]+"").slideUp(500);
				}
			}
}