// form validation function //
function validate_front_search(form) {
  var s2 = form.s2.value;
  
  if(s2 == "keyword") {
    inlineMsg1('s2','We need a keyword to search!',5);
    return false;
  }
  
   return true;

}

// form validation function //
function validate_front_send(form) {
  var name = form.name.value;
  
  if(name == "biz name") {
    inlineMsg1('name','You need to enter a biz name!',5);
    return false;
  }
  
   return true;

}



// START OF MESSAGE SCRIPT //

var MSGTIMER1 = 20;
var MSGSPEED1 = 5;
var MSGOFFSET1 = 3;
var MSGHIDE1 = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg1(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 = topPosition1(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition1(targetdiv) + targetwidth + MSGOFFSET1;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER1);
  if(!autohide) {
    autohide = MSGHIDE1;  
  }
  window.setTimeout("hideMsg1()", (autohide * 1000));
}

// hide the form alert //
function hideMsg1(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg1(0)", MSGTIMER1);
  }
}

// face the message box //
function fadeMsg1(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED1;
  } else {
    value = msg.alpha - MSGSPEED1;
  }
  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 leftPosition1(target) {

  var left = -255;

  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 topPosition1(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"; 
}