// JavaScript Document

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}
function checkform()
{
var data=new Array(2);
var Name=document.f1.Name.value;
var email=document.f1.email.value;
var reg = new RegExp("^[A-Za-z0-9_]{1,}[.]?[A-Za-z0-9_]{1,}@{1}([A-Za-z0-9_]+[.]{1})+[A-Za-z0-9_]{1,}$");

 if(Name=="") 
	{
	alert(" Please Enter Your Name");
	data[2]=" Please Enter Your Name";
	document.f1.Name.focus();
	return false;
	} 
	else if (Name.charAt(0)==" ")
	{
	alert("Name can not start with blank");
	document.f1.Name.focus();
	return false;
	
	}
	else if(IsNumeric(Name)!==false)
	{
	 alert("Please Enter The alphabetic values.");
	 document.f1.Name.focus();
	 return false;
	 }
	else if(email=="")
	{
	alert("Please Enter Your Email Address");
	data[4]="Please Enter Your Email Address";
	document.f1.email.focus();
	return false;
	}
else if(!reg.test(email)) 
	{
	alert("Invalid Email Address. Please Re-Enter.");
	document.f1.email.focus();
	return false;
	}
	
	
	else
	{
	document.f1.submit();
	}
	}