// form validation function //

function valid_signup(form)
{
	if (form.title.value == "" )
	{
		inlineMsg('title','Please select title.');
		form.title.focus();
		return false;
	}
	if (form.fname.value == "" )
	{
		inlineMsg('fname','Please select First Name.');
		form.fname.focus();
		return false;
	}
	if (form.lname.value == "" )
	{
		inlineMsg('lname','Please select Last Name.');
		form.lname.focus();
		return false;
	}
	
	//alert(form.gender.value);
	if (form.gender.value == "" )
	{
		inlineMsg('gender','Please select Gender.');
		form.gender.focus();
		return false;
	}
	if (form.nationality.value == "" )
	{
		inlineMsg('nationality','Please select Nationality.');
		form.nationality.focus();
		return false;
	}
	if (form.nation_id.value == "" )
	{
		inlineMsg('nation_id','Please select National Identity.');
		form.nation_id.focus();
		return false;
	}
	/*if (form.month.value == "" )
	{
		inlineMsg('month','Please Enter Expiration Month.');
		form.month.focus();
		return false;
	}*/
	if (form.year.value == "" )
	{
		inlineMsg('year','Please Enter Expiration Year.');
		form.year.focus();
		return false;
	}
	if (form.year.value.length <=6)
	{
		inlineMsg('year','Please Enter Expiration Year.');
		form.year.focus();
		return false;
	}
	/*if (form.dob_date.value == "" )
	{
		inlineMsg('dob_date','Please Enter Date for Date of Birth.');
		form.dob_date.focus();
		return false;
	}
	if (form.dob_month1.value == "" )
	{
		//alert('ok');
		inlineMsg('dob_month1','Please Enter Month for Date of Birth.');
		form.dob_month1.focus();
		return false;
	}*/
	if (form.dob_year1.value == "" )
	{
		inlineMsg('dob_year1','Please Enter Year for Date of Birth.');
		form.dob_year1.focus();
		return false;
	}
	if (form.dob_year1.value.lenght <=3)
	{
		inlineMsg('dob_year1','Please Enter Year for Date of Birth.');
		form.dob_year1.focus();
		return false;
	}
	if (form.education.value == "" )
	{
		inlineMsg('education','Please Enter Educational Qualification.');
		form.education.focus();
		return false;
	}
	if (form.m_status.value == "" )
	{
		inlineMsg('m_status','Please Enter Marital Staus.');
		form.m_status.focus();
		return false;
	}
	if (form.how.value == "" )
	{
		inlineMsg('how','Please select National Identity.');
		form.how.focus();
		return false;
	}
	
	//=========================================
	
	var emailPattern=/^[A-Za-z0-9][A-Za-z0-9_.-]*@[A-Za-z0-9_-]+\.[A-Za-z0-9_.]+[A-za-z]$/;
	if (form.email.value == "" )
	{
		inlineMsg('email','Please entered a E-mail Address.');
		form.email.focus();
		return false;
	}	
	if (!emailPattern.test(form.email.value) || empty(strip(form.email.value)))	
	{
		inlineMsg('email','Please entered a valid E-mail Address.');
		form.email.focus();
		return false;
	}
	if (form.pass.value == "" )
	{
		inlineMsg('pass','Please Enter Password.');
		form.pass.focus();
		return false;
	}
	if (form.pass1.value == "" )
	{
		inlineMsg('pass1','Please Enter Password.');
		form.pass1.focus();
		return false;
	}
	if((form.pass.value) != (form.pass1.value))
	{
		inlineMsg('pass1','Please Enter Same Password.');
		form.pass1.focus();
		return false;
	}
	if (form.mobile1.value == "" )
	{
		inlineMsg('mobile1','Please STD Code.');
		form.mobile1.focus();
		return false;
	}
	if (form.mobile2.value == "" )
	{
		inlineMsg('mobile2','Please Enter Mobile Number.');
		form.mobile2.focus();
		return false;
	}
	if (form.phone1.value == "" )
	{
		inlineMsg('phone1','Please Enter STD Code.');
		form.phone1.focus();
		return false;
	}
	if (form.phone2.value == "" )
	{
		inlineMsg('phone2','Please Enter Phone Number.');
		form.phone2.focus();
		return false;
	}
	
		if (form.accept.value == "false" )
	{
		inlineMsg('accept','Please accept the license agriment');
		form.accept.focus();
		return false;
	}


	if (form.captcha.value==""){inlineMsg('captcha','Please enter Verification Code.');form.captcha.focus();return false;}
	if (form.captcha.value!=form.capCode.value){inlineMsg('captcha','Invalid Code');form.captcha.focus();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);
  }
}

// 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"; 
}

function empty(x) { 
    if (x.length > 0) {
		return false; 
    }
    return true;    
}
function strip(x) {
    if (x.length < 1) { 
		return x;
    } 
    return x.replace(/^\s+|\s+$/g,'');
}