/*------------------------------------------------------------------------------------------------
Author        	:Shyamraj
Date        	:05/03/11
Company			:Wildnet Technologies, Noida. India.
Description    	:JavaScript Validations.
------------------------------------------------------------------------------------------------
*/
//Constants - characters to be validated
function IsNumeric(strString)
//  check for valid numeric strings	
{
var strValidChars = "0123456789.-";
var strChar;
var blnResult = true;

if (strString.length == 0) return false;

//  test strString consists of valid characters listed above
for (i = 0; i < strString.length && blnResult == true; i++)
  {
  strChar = strString.charAt(i);
  if (strValidChars.indexOf(strChar) == -1)
	 {
	 blnResult = false;
	 }
  }
return blnResult;
}


function checkFormData(myform){
//var d=document.newform;
var d=myform;
if(d.fname.value=="")
{
	alert("Please Enter your First Name!");
	d.fname.focus();
	return false;
}
if(d.lname.value=="")
{
	alert("Please Enter your Last Name!");
	d.lname.focus();
	return false;
} 
if(d.phone.value=="")
{
	alert("Please Enter your Phone!");
	d.phone.focus();
	return false;
}
if(!IsNumeric(d.phone.value))
{
	alert("Please Enter numeric value for Phone!");
	d.phone.focus();
	return false;
}
   
var emailID=d.email
//	alert(emailID);
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;
}
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;
	 }
   
 return true;
 }