// form validation function //
function validate(form) {
  var name = form.name.value;
  var mobile = form.mobile.value;
  var email = form.email.value;
  var compnay = form.compnay.value;
  var country = form.country.value;
  var find_name=form.find_name.value;
  var txt_url=form.txt_url.value;				
  var category_value=form.category_value.value;
  var noofpages = form.noofpages.value;
  var project = form.project.value;
  var recode = form.recode.value;
  var result = form.result.value;
  var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
  var mobileRegex = /^[0-9,+]+(([\ '\+,\.\- ][0-9])?[0-9]*)*$/;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
 
 if(name == "") {
    inlineMsg('name','',2);
    return false;
  }
  if(!name.match(nameRegex)) {
    inlineMsg('name','',2);
    return false;
  }
  
    if(mobile == "") {
    inlineMsg('mobile','',2);
    return false;
  }
  if(!mobile.match(mobileRegex)) {
    inlineMsg('mobile','',2);
    return false;
  }
  
  if(email == "") {
    inlineMsg('email','',2);
    return false;
  }
  if(!email.match(emailRegex)) {
    inlineMsg('email','',2);
    return false;
  }
  
   if(compnay == "") {
    inlineMsg('compnay','');
    return false;
  }
  
  if(country == "") {
    inlineMsg('country','',2);
    return false;
  }
    if(find_name == "") {
    inlineMsg('find_name','',2);
    return false;
  }
      
  
   if(category_value== "0") {
    inlineMsg('txt_url','',2);
    return false;
  }
  if(noofpages == "") {
    inlineMsg('noofpages','',2);
    return false;
  }
    if(!noofpages.match(mobileRegex)) {
    inlineMsg('noofpages','',2);
    return false;
  }
  
   if(project == "") {
    inlineMsg('project','',2);
    return false;
  }
  if(recode == "") {
    inlineMsg('recode','');
    return false;
  }
  if(recode != result) {
    inlineMsg('recode','');
    return false;
  }
  return true;
  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"; 
}