String.prototype.trim = function() { return this.replace(/^\s+|\s+$/, ''); };
/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;
function TrimUsingRecursion(str,val) 
{  if(str.charAt(0) == val)
  {  str = TrimUsingRecursion(str.substring(1));
  }
  if (str.charAt(str.length-1) == val)
  {  str = TrimUsingRecursion(str.substring(0,str.length-1));
  }
  return str;
}
function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   // alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
function hostel_ajax(frmhostels){

var hname=document.getElementById('HostelName').value.trim();
var haddress=document.getElementById('HostelAddress').value.trim();
var hphone=document.getElementById('HotelPhone').value.trim();
var yname=document.getElementById('YourName').value.trim();
var yemail=document.getElementById('YourEmail').value.trim();
var msg='';
var reNumeric=/^[0-9]{10,13}$/;
  var cnt=0;
 
	if(hname=='' ||  hphone==''|| (yemail!='' && echeck(yemail)==false) || ( hphone!='' && checkInternationalPhone(hphone)==false )  )
	{
	 msg="Please enter"
	 if(hname=='' )
	 {
    msg+="  Hostel Name,";
     cnt++
	
	}
	if(hphone==''){
	 msg+="  Hostel Phone No.,";
     cnt++
	} 
	if(yemail!='' && echeck(yemail)==false){
		 msg+="Valid Email address,";
	   cnt++
	
	} if ( hphone!='' && hphone.search(reNumeric)==-1)
	{
		 msg+="Valid Phone Number,";
	    
	  cnt++
	}
	}
	if(cnt>0)
	{
	//alert(cnt);
	document.getElementById('herror').innerHTML=TrimUsingRecursion(msg,',') ;
	document.getElementById('herror').style.display='block';
	return false;
	}
	else
	{
	var  pars="hname=" + hname +"&haddress=" + haddress +"&hphone=" + hphone +"&yname=" + yname +"&yemail=" + yemail +"&fsid="+Math.random();
	url='codefiles/hostel_fields.php';
				  var myAjax = new Ajax.Request(
				url,
				{
					method: 'get',
					parameters: pars,
					onComplete:getHotelFields
				});
	
	  return false;
	}
		
}
function getHotelFields(originalRequest){

var sPath = window.location.pathname;
		 var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
	 	 var browser=navigator.appName;
	 document.getElementById('Hresult').innerHTML=originalRequest.responseText;	     
				
 }