//##########Validates Checkbox###############
function oneChecked(form)
   {
   for (i=0; i<form.Position.length; i++)
      {
      if (form.Position[i].type == "checkbox")
         {
         if (form.Position[i].checked){
            return true;
            }
         }
      }
   alert("You must check at least one of the boxes to indicate which type of position you require.");
   return false;
   }
//#############Validates required fields####################
   function isReady(form) {
       if (document.getElementById('ctl00_ContentPlaceHolder2_Name').value == "") {
           alert("Please enter your name to continue.")
           return false
       }
       if (document.getElementById('ctl00_ContentPlaceHolder2_Postcode').value == "") {
           alert("Please enter your postcode to continue.")
           return false
       }
       if (document.getElementById('ctl00_ContentPlaceHolder2_Mobile').value == "") {
           alert("Please enter your mobile to continue.")
           return false
       }
       if (document.getElementById('ctl00_ContentPlaceHolder2_Email').value == "") {
           alert("Please enter your email address to continue.")
           return false
       }

       return echeck(form.Email.value)

   }
//######################################################################
   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 address")
           return false
       }

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

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

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

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

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

       if (str.indexOf(" ") != -1) {
           alert("Invalid E-mail address")
           return false
       }

       return true
   }
//#################################################################################
function ValidateForm(){
	var emailID=document.frmSample.txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }