function getLabelForId(id) {
    var label, labels = document.getElementsByTagName('label');
    for (var i = 0; (label = labels[i]); i++) {
        if (label.htmlFor == id) {
            return label;
        }
    } 
    return false;
}
function checkEmail() {
    var email = document.getElementById('email');
    var label = getLabelForId('email');
    if (email.value.indexOf('@') == -1 || email == '') { // simple check for non empty string with @ sign
        label.className = 'problem';
    } else {
        label.className = 'completed';
    }
}
function checkPhone() {
    var phone = document.getElementById('phone');
    var label = getLabelForId('phone');
    var digits = phone.value.replace(/[^0-9]/ig, '');
    if (!digits) {
        label.className = '';
        phone.value = '';
        return;
    }
    if (digits.length == 10) {
        phone.value = '(' + digits.substring(0, 3) + ') ' + 
            digits.substring(3, 6) + '-' + 
            digits.substring(6, 10);
        label.className = 'completed';
    } else {
        label.className = 'problem';
        phone.value = digits;
    }
}
function checkRequired(id) {
    var formfield = document.getElementById(id);
    var label = getLabelForId(id);
    if (formfield.value.length == 0) {
        label.className = 'problem';
    } else {
        label.className = 'completed';
    }
}

addEvent(window, 'load', function() {
    var input;
    var inputs = document.getElementsByTagName('input');
    for (var i = 0; (input = inputs[i]); i++) {
        addEvent(input, 'focus', oninputfocus);
        addEvent(input, 'blur', oninputblur);
    }
    var textareas = document.getElementsByTagName('textarea');
    for (var i = 0; (textarea = textareas[i]); i++) {
        addEvent(textarea, 'focus', oninputfocus);
        addEvent(textarea, 'blur', oninputblur);
    }
});
function oninputfocus(e) {
    /* Cookie-cutter code to find the source of the event */
    if (typeof e == 'undefined') {
        var e = window.event;
    }
    var source;
    if (typeof e.target != 'undefined') {
        source = e.target;
    } else if (typeof e.srcElement != 'undefined') {
        source = e.srcElement;
    } else {
        return;
    }
    /* End cookie-cutter code */
    source.style.border='2px solid #000';
}
function oninputblur(e) {
    /* Cookie-cutter code to find the source of the event */
    if (typeof e == 'undefined') {
        var e = window.event;
    }
    var source;
    if (typeof e.target != 'undefined') {
        source = e.target;
    } else if (typeof e.srcElement != 'undefined') {
        source = e.srcElement;
    } else {
        return;
    }
    /* End cookie-cutter code */
    source.style.border='2px solid #ccc';
}
function addEvent(obj, evType, fn){
    if (obj.addEventListener){
        obj.addEventListener(evType, fn, true);
        return true;
    } else if (obj.attachEvent){
        var r = obj.attachEvent("on"+evType, fn);
        return r;
    } else {
        return false;
    }
}
	function isProper(string) {
	
	if (!string) return false;
   var iChars = "|";
	
	for (var i = 0; i < string.length; i++) {
	if (iChars.indexOf(string.charAt(i)) != -1)
	return false;
	}
	return true;
	}  
       
                              
function isReady(form) {
    if (isProper(form.fname.value) == false) {
        alert("Please enter your First Name.");
        form.fname.focus();
        return false;
    }
    if (isProper(form.lname.value) == false) {
        alert("Please enter your Last Name.");
        form.lname.focus();
        return false;
    }
    if (isProper(form.company.value) == false) {
        alert("Please enter your Company.");
        form.company.focus();
        return false;
    }
    if (isProper(form.telephone.value) == false) {
        alert("Please enter your Telephone Number.");
        form.telephone.focus();
        return false;
    }
	if (isProper(form.email.value) == false) {
        alert("Please enter an E-mail address.");
        form.email.focus();
        return false;
    }
    if (form.email.value.indexOf('@') == -1 || email == '') { // again, simple check for non empty string with @ sign
        alert("Please enter an E-mail address.");
        form.email.focus();
        return false;
    }
    return true;
}


  var allPageTags = new Array();

  function doSomethingWithClasses(theClass) {
//Populate the array with all the page tags
    var allPageTags=document.getElementsByTagName("*");
//Cycle through the tags using a for loop
    for (var i=0; i<allPageTags.length; i++) {
//Pick out the tags with our class name
      if (allPageTags[i].className==theClass) {
//Manipulate this in whatever way you want
        allPageTags[i].style.display='none';
      }
    }
  }

function Show(ids) {
  doSomethingWithClasses('RBtnTab');

  var obj = document.getElementById(ids);
  if (obj.style.display != 'block') { obj.style.display = 'block'; }
                               else { obj.style.display = 'none'; }
}