// form validation function //
function validate_form(form) {
  //alert(form);
 
  var fname = document.getElementById('first_name').value;
  var lname = document.getElementById('last_name').value;
  var email = document.getElementById('email').value;
  var address = document.getElementById('address').value;
  var city = document.getElementById('city').value;
  var state = document.getElementById('state').value;
  var zip = document.getElementById('zip').value;
  
  var phone1 = document.getElementById('phone1').value;
  var phone2 = document.getElementById('phone2').value;
  var phone3 = document.getElementById('phone3').value;
  
  var insurance_co = document.getElementById('insurance_co').value;
  var employer = document.getElementById('employer').value;
  var ins_name = document.getElementById('ins_name').value;
  var policy = document.getElementById('policy').value;
  var birthdate = document.getElementById('birthdate').value;
  var group = document.getElementById('group').value;
  var phone111 = document.getElementById('phone111').value;
  var phone222 = document.getElementById('phone222').value;
  var phone333 = document.getElementById('phone333').value;
  
  /*var height1 = document.getElementById('height1').value;
  var height2 = document.getElementById('height2').value;
  var weight = document.getElementById('weight').value;
  var age = document.getElementById('age').value;*/
  var hear = document.getElementById('hear').value;

  
  var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
  var zipRegex = /^\d{5}(-\d{4})?$/;


 
  if(fname == "") {
    inlineMsg('first_name','You must enter your name.',2);
    return false;
  }
  if(!fname.match(nameRegex)) {
    inlineMsg('first_name','You have entered an invalid name.',2);
    return false;
  }
  

  if(lname == "") {
    inlineMsg('last_name','You must enter your name.',2);
    return false;
  }
  if(!lname.match(nameRegex)) {
    inlineMsg('last_name','You have entered an invalid name.',2);
    return false;
  }  
  
  if(address == "") {
    inlineMsg('address','You must enter your address.',2);
    return false;
  }  
  
  if(city == "") {
    inlineMsg('city','You must enter your city.',2);
    return false;
  }    
  
  if(state == "") {
    inlineMsg('state','You must select your state.',2);
    return false;
  }  

  if(zip == "") {
    inlineMsg('zip','You must enter your zip.',2);
    return false;
  }  

  if(email == "") {
    inlineMsg('email','<strong>Error</strong><br />You must enter your email.',2);
    return false;
  }
  if(!email.match(emailRegex)) {
    inlineMsg('email','<strong>Error</strong><br />You have entered an invalid email.',2);
    return false;
  }

  if(phone1 == "") {
    inlineMsg('phone1','You must enter your phone.',2);
    return false;
  } 
  
   if(phone2 == "") {
    inlineMsg('phone2','You must enter your phone.',2);
    return false;
  } 

  if(phone3 == "") {
    inlineMsg('phone3','You must enter your phone.',2);
    return false;
  } 
  
  if(insurance_co == "") {
    inlineMsg('insurance_co','You must enter your insurance company.',2);
    return false;
  } 
  
  if(employer == "") {
    inlineMsg('employer','You must enter your employer.',2);
    return false;
  } 
  
  if(ins_name == "") {
    inlineMsg('ins_name','You must enter your insured\'s name.',2);
    return false;
  } 
  
  if(policy == "") {
    inlineMsg('policy','You must enter your member policy #.',2);
    return false;
  }   
  
  if(birthdate == "") {
    inlineMsg('birthdate','You must enter your date of birth.',2);
    return false;
  }    
  
  if(group == "") {
    inlineMsg('group','You must enter the group #.',2);
    return false;
  } 
  
  if(phone111 == "") {
    inlineMsg('phone111','You must enter the phone number.',2);
    return false;
  } 
  
   if(phone222 == "") {
    inlineMsg('phone222','You must enter the phone number.',2);
    return false;
  } 

  if(phone333 == "") {
    inlineMsg('phone333','You must enter the phone number.',2);
    return false;
  } 
  
  /*if(height1 == "") {
    inlineMsg('height1','You must enter your height.',2);
    return false;
  } 
  
  if(height2 == "") {
    inlineMsg('height2','You must enter your height.',2);
    return false;
  }
  
  if(weight == "") {
    inlineMsg('weight','You must enter your weight.',2);
    return false;
  }  */
  
  if(age == "") {
    inlineMsg('age','You must enter your age.',2);
    return false;
  } 
  
  if(hear == "") {
    inlineMsg('hear','You must enter how did you hear about us.',2);
    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"; 
}