// form validation function //
var substitueFlag = false;
// Regular Expressions //
	var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
	var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);
	var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	var regPhone = /^\d{3}\-\d{3}\-\d{4}$/;
	var regDate = /(0[1-9]|1[012])\/(0[1-9]|[12][0-9]|3[01])\/([0-9]{2,4})/i;

 function validateForm(form) {

	var first_name = form.f_name.value;
	var lastname = form.l_name.value;
	var title=form.title.value;
	var phone = form.phone.value;
	var email_address = form.email.value;
	var street=form.street.value;
	var city=form.city.value;
	var state=form.state.value;
	var zip=form.zip.value;
	var totalcost = form.totalcost.value;
	
	if(first_name == "") {

	inlineMsg('f_name','You must enter your first name.',5);		
		return false;
	}
	if(lastname == "") {

		inlineMsg('l_name','You must enter your last name.',5);
		return false;
	}

	if(title == "") {

	inlineMsg('title','You must s title.',5);		
		return false;
	}	
	if(phone == "") {
		inlineMsg('phone','Please provide your contact number.',5);
		return false;
	}
	if(email_address == "") {
		inlineMsg('email','Please provide your email address.',5);
		return false;
	}
	if(!email_address.match(emailRegex)) {
		inlineMsg('email','You have entered an invalid email address.',5);
		return false;
	}
	
	if(street == "") {
		inlineMsg('street','Please enter street.',5);
		return false;
	}
	if(city == "") {
		inlineMsg('city','Please enter city.',5);
		return false;
	}
	if(state == "") {
		inlineMsg('state','Please enter city.',5);
		return false;
	}
	if(zip == "") {
		inlineMsg('zip','Please enter city.',5);
		return false;
	}
	if(totalcost=="" || totalcost==0)
	{
		inlineMsg('package1','Please select atleast one package.',5);
		return false;
	}
} 


 function validateContactForm2(form) {
	var first_name = form.txtname.value;
	var email = form.txtemail.value;
	var message = form.comments.value;
	var randsum = form.sum.value;
	var comp = form.txtRand.value;

	if(first_name == "") {
		inlineMsg('txtname','Please enter your name.',5);		
		return false;
	}

	if(email == "") {
		inlineMsg('txtemail','Please enter email.',5);
		return false;
	}
	
	if(!email.match(emailRegex)) {
		inlineMsg('txtemail','You have entered an invalid email address.',5);
		return false;
	}

	if(message == "") {
		inlineMsg('comments','Please enter comments.',5);		
		return false;
	}	
	
	if(randsum!=comp)
	{
		inlineMsg('txtRand','Please enter correct sum.',5);		
		return false;
	}
	
	
} 

	
// 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);
  }
}
function isInteger(s)
{
      var i;
		s = s.toString();
      for (i = 0; i < s.length; i++)
      {
         var c = s.charAt(i);
         if (isNaN(c)) 
	   {
		//alert("Given value is not a number");
		return false;
	   }
      }
      return true;
}

// 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"; 
	}