function validate(msgform) 
{
	
  var name = msgform.name.value;
  var contact = msgform.contact.value;
  var email = msgform.email.value;
  var enquiry = msgform.enquiry.value;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var numRegex = /^[0-9]/;
  var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;

  if(name == "") {
		
    inlineMsg('name','You must Enter Name',4);
    return false;
  }
  if(!name.match(nameRegex)) {
    inlineMsg('name','You have entered an invalid name.',2);
    return false;
  }
  
  if(contact == "") {
		
    inlineMsg('contact','You must Enter contact Number',4);
    return false;
  }
   if(!contact.match(numRegex)) {
    inlineMsg('contact','You have entered an invalid contact no.',2);
    return false;
  }
  if(contact.length<10) {
    inlineMsg('contact','You have entered an invalid contact no.',2);
    return false;
  }
  
   if(email == "") {
		
    inlineMsg('email','You must Enter email',4);
    return false;
  }
   if(!email.match(emailRegex)) {
    inlineMsg('email','You have entered an invalid email.',4);
    return false;
     }
  if(enquiry == "") {
		
    inlineMsg('enquiry','You must Enter enquiry',4);
    return false;
  }
  
  
  return true;
}






function validate_upload(msgform) 
{
	
  var rad1 = msgform.rad[0].checked;
  var rad2 = msgform.rad[1].checked;
  var rad3 = msgform.rad[2].checked;
  var rad4 = msgform.rad[3].checked;
  var rad5 = msgform.rad[4].checked;
  var title = msgform.title.value;
  var upload = msgform.upload.value;
  
  if(rad1 == false && rad2 == false && rad3 == false && rad4 == false && rad5 == false) {
		
    inlineMsg('rad','You must Select a Category',4);
    return false;
  }  
  
  if(title == "") {
		
    inlineMsg('title','You must Enter Title to the Photo',4);
    return false;
  }
   if(upload == "") {
		
    inlineMsg('upload','You must select an image to Upload',4);
    return false;
  }
  
  
  return true;
}







function validate1(msgform) 
{
	
  var uname = msgform.uname.value;
  var pword = msgform.pword.value;

  

    if(uname == "") {
		
    inlineMsg('uname','You must Enter Username',4);
    return false;
  }
  if(pword == "") {
		
    inlineMsg('pword','You must Enter Password',4);
    return false;
  }

  
  return true;
}

// START OF MESSAGE SCRIPT //


var MSGTIMER = 20;
var MSGSPEED = 10;
var MSGOFFSET = 10;
var MSGHIDE = 100;

// 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"; 
}
