// form validation function //
var substitueFlag = false;
// Regular Expressions //
	var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
	var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
	var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	var regPhone = /\d{1,2}$/;
	var regDate = /^\d{1,2}\-\d{1,2}\-\d{4}$/;
	var regWholenum = /^\s*\d+\s*$/;

 
 
function validateApplyForm() {  

	var fname = document.getElementById('fname').value;
	var lname = document.getElementById('lname').value;
	var dob = document.getElementById('dob').value;
	var email = document.getElementById('email').value;

	if(fname == "") {
	inlineMsg('fname','Please Enter your first name',5);
		return false;
	}	
	
	if(lname == "") {
	inlineMsg('lname','Please Enter your last name',5);
		return false;
	}	

	if(dob == "") {
	inlineMsg('dob','Please Enter Date of Birth',5);
		return false;
	}		
	
	if(email == "") {
	inlineMsg('email','Please Enter Your Email',5);
		return false;
	}
	if(!email.match(emailRegex)) {
	inlineMsg('email','Please Enter Valid Email address',5);
		return false;
	}

	
	document.getElementById('basic').style.display = 'none';
	document.getElementById('education').style.display = 'block';
	
}

function validateCommentForm(form) {  
	var comname = form.comname.value;
	var comemail = form.comemail.value;	
	var comcomment = form.comcomment.value;

	if(comname == "") {
	inlineMsg('comname','Please Enter Name',5);
		return false;
	}	
	
	if(comemail == "") {
	inlineMsg('comemail','Please Enter Your Email',5);
		return false;
	}
	if(!comemail.match(emailRegex)) {
	inlineMsg('comemail','Please Enter Valid Email address',5);
		return false;
	}	
	
	if(comcomment == "") {
	inlineMsg('comcomment','Please Enter Comment',5);
		return false;
	}	
	return true;
	
}



function validateContacusForm(form) {  
	var contactusname = form.contactusname.value;
	var contactussenderemail = form.contactussenderemail.value;	
	var contactussubject = form.contactussubject.value;
	var contactusmessage = form.contactusmessage.value;
	
	if(contactusname == "") {
		alert('Please Enter Name');
		return false;
	}	
	
	if(contactussenderemail == "") {
		alert('Please Enter Your Email');
		return false;
	}
	if(!contactussenderemail.match(emailRegex)) {
		alert('Please Enter Valid Email address');
		return false;
	}	
	
	if(contactussubject == "") {
		alert('Please Enter Subjest');
		return false;
	}	
	
	if(contactusmessage == "") {
		alert('Please Enter Message');
		return false;
	}
	return true;
	
}


function validateSoftCopyForm(form) {  
	var getsoftmagname = form.getsoftmagname.value;
	var softmagemail = form.softmagemail.value;	
	
	if(getsoftmagname == "") {
		alert('Please Enter Name');
		return false;
	}	
	
	if(softmagemail == "") {
		alert('Please Enter Your Email');
		return false;
	}
	if(!softmagemail.match(emailRegex)) {
		alert('Please Enter Valid Email address');
		return false;
	}	

	return true;
	
}


function validatepurchasemagForm(form) {  
	var lamagfullname = form.lamagfullname.value;
	var lamagmailingaddress = form.lamagmailingaddress.value;	
	var lamagcity = form.lamagcity.value;
	var lamagotherstates = form.lamagotherstates.value;
	var lamagotherstatesstyle = form.lamagotherstates.style.display;
	var lamagzip = form.lamagzip.value;
	var lamagemail = form.lamagemail.value;
	
	if(lamagfullname == "") {
		alert('Please Enter Name');
		return false;
	}

	if(lamagmailingaddress == "") {
		alert('Please Enter Mailing address');
		return false;
	}

	if(lamagcity == "") {
		alert('Please Enter City');
		return false;
	}	
	
	if(lamagotherstatesstyle == "block" && lamagotherstates == "") {
		alert('Please Enter State or Province');
		return false;
	}
	
	if(lamagzip == "") {
		alert('Please Enter Zip Code');
		return false;
	}
	if(!lamagzip.match(regWholenum)) {
		alert('Please Enter valid zip code');
		return false;
	}

	if(lamagemail == "") {
		alert('Please Enter Your Email');
		return false;
	}
	if(!lamagemail.match(emailRegex)) {
		alert('Please Enter Valid Email address');
		return false;
	}		
	
	return true;
	
}


		
// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
  	msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}
function isInteger(s)
{
      var i;
		s = s.toString();
      for (i = 0; i < s.length; i++)
      {
         var c = s.charAt(i);
         if (isNaN(c)) 
	   {
		//alert("Given value is not a number");
		return false;
	   }
      }
      return true;
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
	
	arrow = new Image(7,80); 
  	arrow.src = "images/msg_arrow.gif"; 
	}
