var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function show_div(div_layer) {
	if (div_layer == '1') {
		document.getElementById('subject_box').style.display='block';
		document.getElementById('location_box').style.display='none';
		document.getElementById('activities_box').style.display='none';
		document.getElementById('news_box').style.display='none';
		document.getElementById('speaker_box').style.display='none';
		document.getElementById('sponsor_box').style.display='none';
	}
	else if(div_layer == '2') {
		document.getElementById('subject_box').style.display='none';
		document.getElementById('location_box').style.display='block';
		document.getElementById('activities_box').style.display='none';
		document.getElementById('news_box').style.display='none';
		document.getElementById('speaker_box').style.display='none';
		document.getElementById('sponsor_box').style.display='none';
	}
	else if(div_layer == '3') {
		document.getElementById('subject_box').style.display='none';
		document.getElementById('location_box').style.display='none';
		document.getElementById('activities_box').style.display='block';
		document.getElementById('news_box').style.display='none';
		document.getElementById('speaker_box').style.display='none';
		document.getElementById('sponsor_box').style.display='none';
	}
	else if(div_layer == '4') {
		document.getElementById('subject_box').style.display='none';
		document.getElementById('location_box').style.display='none';
		document.getElementById('activities_box').style.display='none';
		document.getElementById('news_box').style.display='block';
		document.getElementById('speaker_box').style.display='none';
		document.getElementById('sponsor_box').style.display='none';
	}
	else if(div_layer == '5') {
		document.getElementById('subject_box').style.display='none';
		document.getElementById('location_box').style.display='none';
		document.getElementById('activities_box').style.display='none';
		document.getElementById('news_box').style.display='none';
		document.getElementById('speaker_box').style.display='block';
		document.getElementById('sponsor_box').style.display='none';
	}
	else if(div_layer == '6') {
		document.getElementById('subject_box').style.display='none';
		document.getElementById('location_box').style.display='none';
		document.getElementById('activities_box').style.display='none';
		document.getElementById('news_box').style.display='none';
		document.getElementById('speaker_box').style.display='none';
		document.getElementById('sponsor_box').style.display='block';
	}	
}

function select_search()
{
	var text=eval("document.search_form.SearchText");
	text.focus();
	text.select();
}


function select_user()
{
	var text=eval("document.loginform.Login");
	text.focus();
	text.select();
}

function select_pass()
{
	var text=eval("document.loginform.Password");
	text.focus();
	text.select();
}

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}


 function ValidateContactForm(){
	var sender=document.frmSample.ContentObjectAttribute_ezstring_data_text_1000
	var company=document.frmSample.ContentObjectAttribute_ezstring_data_text_1042
	var email=document.frmSample.ContentObjectAttribute_data_text_1003
	var subject=document.frmSample.ContentObjectAttribute_ezstring_data_text_1001
	var message=document.frmSample.ContentObjectAttribute_data_text_1002
	var Phone=document.frmSample.ContentObjectAttribute_ezstring_data_text_1044
	
	
	if ((sender.value==null)||(sender.value=="")){
		alert("Please Enter Name");
		sender.focus();
		return false;
	}
	if ((company.value==null)||(company.value=="")){
		alert("Please Enter Company");
		sender.focus();
		return false;
	}
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number");
		Phone.focus();
		return false;
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number");
		Phone.value="";
		Phone.focus();
		return false;
	}
	if((email.value==null) ||(email.value=="")){
		alert("Please Enter email");
		email.focus();
		return false;
	}
	if((subject.value==null)||(subject.value=="")){
		alert("Please Enter subject");
		subject.focus();
		return false;
	}
	if((message.value==null)||(message.value=="")){
		alert("Please Enter message");
		message.focus();
		return false;
	}
	
	if(message.value.length > 300)
	{
		alert("Please limit your message to 300 characters.");
		message.focus();
		message.select();
		return false;
	}
	return true;
}

function showMe(it, box) {
var vis = (box.checked) ? "block" : "none";
document.getElementById(it).style.display = vis;
}

function submitform(){
    document.register.submit();
}