// 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{1,2}$/;
	var regDate = /^\d{1,2}\-\d{1,2}\-\d{4}$/;

 function validateContactUsForm(form) {
	var sendername = form.sendername.value;
	var senderemail = form.senderemail.value;
	var subject = form.subject.value;
	var message = form.message.value;
	if(sendername == "") {
	inlineMsg('sendername','You must enter your Name.',5);		
		return false;
	}
	if(!sendername.match(nameRegex)) {
	inlineMsg('sendername','You have entered an invalid Name.',5);
		return false;
	}
	if(senderemail == "") {
	inlineMsg('senderemail','You must enter your Email.',5);
	
		return false;
	}
	if(!senderemail.match(emailRegex)) {
	inlineMsg('senderemail','You have entered an invalid Email.',5);
		return false;
	}
	if(subject == "") {
	inlineMsg('subject','You must enter your Subject.',5);
		return false;
	}
	if(message == "") {
	inlineMsg('message','You must enter your Message.',5);
		return false;
	}
	return true;
	
} 
function validateQuestionnaireForm(form) {
	var firstname = form.firstname.value;
	var surname = form.surname.value;
	var occupation = form.occupation.value;
	var address = form.address.value;
	var email = form.email.value;
	var mobile = form.mobile.value;
	if(firstname == "") {
	inlineMsg('firstname','You must enter your Name.',5);		
		return false;
	}
	if(!firstname.match(nameRegex)) {
	inlineMsg('firstname','You have entered an invalid Name.',5);
		return false;
	}
	if(surname == "") {
	inlineMsg('surname','You must enter your Name.',5);		
		return false;
	}
	if(!surname.match(nameRegex)) {
	inlineMsg('surname','You have entered an invalid Name.',5);
		return false;
	}
	if(occupation == "") {
	inlineMsg('occupation','You must enter your Occupation.',5);		
		return false;
	}
	if(address == "") {
	inlineMsg('address','You must enter your Address.',5);		
		return false;
	}
	
	if(email == "") {
	inlineMsg('email','You must enter your Email.',5);
	
		return false;
	}
	if(!email.match(emailRegex)) {
	inlineMsg('email','You have entered an invalid Email.',5);
		return false;
	}
	if(mobile == "") {
	inlineMsg('mobile','You must enter your Number.',5);
		return false;
	}
	if(!mobile.match(regPhone)) {
	inlineMsg('mobile','You have entered an invalid Number.',5);
		return false;
	}
	return true;
	
} 

function DisplayMessage()
    {
    var divMessage=document.getElementById("divMessage");
    divMessage.style.display='block';
    setTimeout("HideMessage()", 5000 );
    }
    function HideMessage()
    {
       var divMessage=document.getElementById("divMessage");
    divMessage.style.display='none';
    }
    window.onload=DisplayMessage;

function validatesubscribeForm(form) {
	var freeoffersendername = form.freeoffersendername.value;
	var freeoffersenderemail = form.freeoffersenderemail.value;
	if(freeoffersendername == "") {
	inlineMsg('freeoffersendername','You must enter your Name.',5);		
		return false;
	}
	if(freeoffersenderemail == "") {
	inlineMsg('freeoffersenderemail','You must enter your Email.',5);
	
		return false;
	}
	if(!freeoffersenderemail.match(emailRegex)) {
	inlineMsg('freeoffersenderemail','You have entered an invalid Email.',5);
		return false;
	}
	return true;
	
}

function validatenewpropertyform(form) {
	var title = form.title.value;
	var description = form.description.value;
	var min_price = form.min_price.value;
	var max_price = form.max_price.value;
	
	if(title == "") {
	inlineMsg('title','You must enter Title.',5);		
		return false;
	}
	if(description == "") {
	inlineMsg('description','You must enter Description.',5);		
		return false;
	}
	if(min_price == "") {
	inlineMsg('min_price','You must enter Minimum Price.',5);
		return false;
	}
	if(!min_price.match(regPhone)) {
	inlineMsg('min_price','Only Numeric Values Required.',5);
		return false;
	}
	
	if(max_price == "") {
	inlineMsg('max_price','You must enter Maximum Price.',5);
		return false;
	}
	if(!max_price.match(regPhone)) {
	inlineMsg('max_price','Only Numeric Values Required.',5);
		return false;
	}
	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);
  }
}
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"; 
	}