// form validation function //



function validate() {

  var comment = document.getElementById('comment').value;
  var textSecurityCode = document.getElementById('textSecurityCode').value;
  var hdnGId = document.getElementById('hdnGId').value;
  if(comment == "") {
    inlineMsg('comment','You must enter comment',2);
    return false;
  }
  jQuery.ajax({
                url : "sendmessage.php",
                type : "GET", 
                data:"comment="+comment+"&code="+textSecurityCode+"&gId="+hdnGId,
                success: function(html) { 
                 var returnHtml = new Array();  
                  document.getElementById("warningTD").style.display = "block"; 
                  document.getElementById("errorsDiv").innerHTML = html;  
                  setTimeout("jQuery('#warningTD').hide('fast')",10000);
                  location.reload(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"; 

} 

  var globalUniqueId;

	globalUniqueId = 1;

function refreshCaptch() {

	globalUniqueId++;

	document.getElementById("captchaImage").src = "security-image.php?width=150&height=40&uniqId=" + globalUniqueId;

}