// JavaScript Document

//var siteUrl='http://192.168.1.150/matrix/thornhill/development/';
var siteUrl='http://'+window.location.hostname+'/';

//var siteUrl='http://www.thornhillskinclinic.com/';
function  validateForm(thisform)
{ 

	with(thisform)
	{ 		
	       if (fname.value==fname.defaultValue)fname.value="";	
			if (emptyvalidation(fname,"Please fill in your Name.")==false) 
			{
				fname.select();
				fname.focus();
				return false;
			}
			if (email.value==email.defaultValue)email.value="";	
			if (emptyvalidation(email,"Please fill in your Email Address.")==false) 
			{
				email.select();
				email.focus();
				return false;
			}
			if(emailvalidation(email)==false)
			{
				alert("Sorry, you have entered an invalid Email Address.");
				email.select();
				email.focus();
				return false;
			}
			if (phone.value==phone.defaultValue)phone.value="";	
			if (emptyvalidation(phone,"Please fill in your Phone.")==false) 
			{
				phone.select();
				phone.focus();
				return false;
			}
			if (comments.value==comments.defaultValue)comments.value="";	
			if (emptyvalidation(comments,"Please fill in your Comments.")==false) 
			{
				comments.select();
				comments.focus();
				return false;
			}
 
 	if (userdigit.value==userdigit.defaultValue || userdigit.value=="Invalid Verification Code")
			{
			userdigit.value="";	
			}
			if(emptyvalidation(userdigit,"Please fill Verification Code.")==false)
			{
			userdigit.focus();
			return false;
			}
			document.getElementById("loadimagenew").innerHTML='<img  src="'+siteUrl+'images/ajax-loader.gif" alt=""  />';

			runAjax('check_captcha',''+siteUrl+'process_mail.php',document.quickcontact.userdigit.value);
			
			return false;

			
			
		
	} 
	//document.getElementById("loadimagenew").innerHTML='<img  src="'+siteUrl+'images/ajax-loader.gif" alt=""  />';
		
	//runAjax('check_captcha',''+siteUrl+'process_mail.php',document.quickcontact.userdigit.value);
//return false;	
//thisform.submit();			
	
}
// JavaScript Document

function emailvalidation(thisform) {

   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = thisform.value;
   var email = address.split(',');
   
   for (var i = 0; i < email.length; i++) {
   if(reg.test(email[i]) == false) {
     // alert('Invalid Email Address');
      return false;
   }
   else
   {
    }
   }
}

function emptyvalidation(entered, alertbox)
{
	with (entered)
	{
		while (value.charAt(0) == ' ')
		value = value.substring(1);
		while (value.charAt(value.length - 1) == ' ')
			value = value.substring(0, value.length - 1);
		if (value==null || value=="")
		{
			if (alertbox!="") alert(alertbox);
			return false;
		}
		else return true;
	}
}
//------------------------------------------------------

function captcha_refresh()
{ 
document.getElementById("button_div").src=''+siteUrl+'button.php?'+Math.random();
return false;
}

<!--Ajax for checking the captcha code ends here -->

var xmlHttp
function runAjax(field,argurl,argVal)
{
//document.getElementById("check_captcha1").innerHTML=" Loading...";
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url=argurl
url=url+"?userdigit="+argVal
url=url+"&sid="+Math.random()
if(field=='check_captcha')
xmlHttp.onreadystatechange=check_captcha;
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function check_captcha() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
	//alert(xmlHttp.responseText);
			if(xmlHttp.responseText=="yes")
			{
		
		//document.getElementById("loadimagenew").innerHTML='<img  src="http://www.wysework.com/projects/thomas/oharatech/development/images/ajax-loader.gif" alt=""  />';
			
			
			document.quickcontact.submit();
		//	return true;
			
			}
			else
			{			

				 document.getElementById("loadimagenew").innerHTML=' <div id="submit" style="margin:0px;"><a href="#" title="Submit" onclick="return validateForm(document.quickcontact);return false;">Submit</a></div>';
				captcha_refresh();
				
			 	document.quickcontact.userdigit.value="Invalid Verification Code";
		      //  document.quickcontact.userdigit.focus();
				//document.quickcontact.userdigit.select();
				return false;
			}
	} 
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
	objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
	objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
	return objXMLHttp
}